Home / 7,641,903.20-11,462,854.80-7,347,970.40

Finding the Fourth Proportional to 7,641,903.20, 11,462,854.80 and 7,347,970.40

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Solution

The fourth proportional to 7,641,903.20, 11,462,854.80 and 7,347,970.40 is: 11,021,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,903.20 : 11,462,854.80 = 7,347,970.40 : x
  2. Step 2: Convert to fraction form
    7,641,903.20/11,462,854.80 = 7,347,970.40/x
  3. Step 3: Cross multiply
    7,641,903.20x = 11,462,854.80 × 7,347,970.40
  4. Step 4: Simplify right side
    7,641,903.20x = 84,228,717,769,897.94
  5. Step 5: Solve for x
    x = 84,228,717,769,897.94/7,641,903.20
  6. Step 6: Final answer
    x = 11,021,955.60

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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.