Home / 13,285,411.40-19,928,117.10-6,566,947.40

Finding the Fourth Proportional to 13,285,411.40, 19,928,117.10 and 6,566,947.40

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Solution

The fourth proportional to 13,285,411.40, 19,928,117.10 and 6,566,947.40 is: 9,850,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,411.40 : 19,928,117.10 = 6,566,947.40 : x
  2. Step 2: Convert to fraction form
    13,285,411.40/19,928,117.10 = 6,566,947.40/x
  3. Step 3: Cross multiply
    13,285,411.40x = 19,928,117.10 × 6,566,947.40
  4. Step 4: Simplify right side
    13,285,411.40x = 130,866,896,776,740.56
  5. Step 5: Solve for x
    x = 130,866,896,776,740.56/13,285,411.40
  6. Step 6: Final answer
    x = 9,850,421.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.