Home / 14,281,686.40-19,701,439.68-9,119,620.48

Finding the Fourth Proportional to 14,281,686.40, 19,701,439.68 and 9,119,620.48

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Solution

The fourth proportional to 14,281,686.40, 19,701,439.68 and 9,119,620.48 is: 12,580,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281,686.40 : 19,701,439.68 = 9,119,620.48 : x
  2. Step 2: Convert to fraction form
    14,281,686.40/19,701,439.68 = 9,119,620.48/x
  3. Step 3: Cross multiply
    14,281,686.40x = 19,701,439.68 × 9,119,620.48
  4. Step 4: Simplify right side
    14,281,686.40x = 179,669,652,791,212.66
  5. Step 5: Solve for x
    x = 179,669,652,791,212.66/14,281,686.40
  6. Step 6: Final answer
    x = 12,580,422.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.