Home / 15,743,956.40-23,615,934.60-7,781,332.40

Finding the Fourth Proportional to 15,743,956.40, 23,615,934.60 and 7,781,332.40

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Solution

The fourth proportional to 15,743,956.40, 23,615,934.60 and 7,781,332.40 is: 11,671,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743,956.40 : 23,615,934.60 = 7,781,332.40 : x
  2. Step 2: Convert to fraction form
    15,743,956.40/23,615,934.60 = 7,781,332.40/x
  3. Step 3: Cross multiply
    15,743,956.40x = 23,615,934.60 × 7,781,332.40
  4. Step 4: Simplify right side
    15,743,956.40x = 183,763,437,059,261.06
  5. Step 5: Solve for x
    x = 183,763,437,059,261.06/15,743,956.40
  6. Step 6: Final answer
    x = 11,671,998.60

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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.