Home / 28,155,069.36-42,248,580-15,201,047.28

Finding the Fourth Proportional to 28,155,069.36, 42,248,580 and 15,201,047.28

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Solution

The fourth proportional to 28,155,069.36, 42,248,580 and 15,201,047.28 is: 22,810,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155,069.36 : 42,248,580 = 15,201,047.28 : x
  2. Step 2: Convert to fraction form
    28,155,069.36/42,248,580 = 15,201,047.28/x
  3. Step 3: Cross multiply
    28,155,069.36x = 42,248,580 × 15,201,047.28
  4. Step 4: Simplify right side
    28,155,069.36x = 642,222,662,092,862.38
  5. Step 5: Solve for x
    x = 642,222,662,092,862.38/28,155,069.36
  6. Step 6: Final answer
    x = 22,810,196.41

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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.