Home / 25,821,721.60-38,732,582.40-15,744,025.60

Finding the Fourth Proportional to 25,821,721.60, 38,732,582.40 and 15,744,025.60

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Solution

The fourth proportional to 25,821,721.60, 38,732,582.40 and 15,744,025.60 is: 23,616,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821,721.60 : 38,732,582.40 = 15,744,025.60 : x
  2. Step 2: Convert to fraction form
    25,821,721.60/38,732,582.40 = 15,744,025.60/x
  3. Step 3: Cross multiply
    25,821,721.60x = 38,732,582.40 × 15,744,025.60
  4. Step 4: Simplify right side
    25,821,721.60x = 609,806,768,859,709.38
  5. Step 5: Solve for x
    x = 609,806,768,859,709.38/25,821,721.60
  6. Step 6: Final answer
    x = 23,616,038.40

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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.