Home / 20,710,119.19-31,069,663.04-7,930,624.35

Finding the Fourth Proportional to 20,710,119.19, 31,069,663.04 and 7,930,624.35

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Solution

The fourth proportional to 20,710,119.19, 31,069,663.04 and 7,930,624.35 is: 11,897,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,119.19 : 31,069,663.04 = 7,930,624.35 : x
  2. Step 2: Convert to fraction form
    20,710,119.19/31,069,663.04 = 7,930,624.35/x
  3. Step 3: Cross multiply
    20,710,119.19x = 31,069,663.04 × 7,930,624.35
  4. Step 4: Simplify right side
    20,710,119.19x = 246,401,826,154,634.38
  5. Step 5: Solve for x
    x = 246,401,826,154,634.38/20,710,119.19
  6. Step 6: Final answer
    x = 11,897,653.70

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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.