Home / 28,458,957.71-39,273,353.35-15,406,206.95

Finding the Fourth Proportional to 28,458,957.71, 39,273,353.35 and 15,406,206.95

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Solution

The fourth proportional to 28,458,957.71, 39,273,353.35 and 15,406,206.95 is: 21,260,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,957.71 : 39,273,353.35 = 15,406,206.95 : x
  2. Step 2: Convert to fraction form
    28,458,957.71/39,273,353.35 = 15,406,206.95/x
  3. Step 3: Cross multiply
    28,458,957.71x = 39,273,353.35 × 15,406,206.95
  4. Step 4: Simplify right side
    28,458,957.71x = 605,053,409,095,693.50
  5. Step 5: Solve for x
    x = 605,053,409,095,693.50/28,458,957.71
  6. Step 6: Final answer
    x = 21,260,561.10

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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.