Home / 28,827,069.60-39,781,355.45-15,774,328.02

Finding the Fourth Proportional to 28,827,069.60, 39,781,355.45 and 15,774,328.02

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Solution

The fourth proportional to 28,827,069.60, 39,781,355.45 and 15,774,328.02 is: 21,768,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,069.60 : 39,781,355.45 = 15,774,328.02 : x
  2. Step 2: Convert to fraction form
    28,827,069.60/39,781,355.45 = 15,774,328.02/x
  3. Step 3: Cross multiply
    28,827,069.60x = 39,781,355.45 × 15,774,328.02
  4. Step 4: Simplify right side
    28,827,069.60x = 627,524,149,869,643
  5. Step 5: Solve for x
    x = 627,524,149,869,643/28,827,069.60
  6. Step 6: Final answer
    x = 21,768,572.34

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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.