Home / 25,746,634.40-38,644,834.80-15,668,938.40

Finding the Fourth Proportional to 25,746,634.40, 38,644,834.80 and 15,668,938.40

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Solution

The fourth proportional to 25,746,634.40, 38,644,834.80 and 15,668,938.40 is: 23,518,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,746,634.40 : 38,644,834.80 = 15,668,938.40 : x
  2. Step 2: Convert to fraction form
    25,746,634.40/38,644,834.80 = 15,668,938.40/x
  3. Step 3: Cross multiply
    25,746,634.40x = 38,644,834.80 × 15,668,938.40
  4. Step 4: Simplify right side
    25,746,634.40x = 605,523,535,959,376.25
  5. Step 5: Solve for x
    x = 605,523,535,959,376.25/25,746,634.40
  6. Step 6: Final answer
    x = 23,518,551.07

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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.