Home / 10,109,904.30-15,164,856.45-8,314,814.70

Finding the Fourth Proportional to 10,109,904.30, 15,164,856.45 and 8,314,814.70

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Solution

The fourth proportional to 10,109,904.30, 15,164,856.45 and 8,314,814.70 is: 12,472,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,904.30 : 15,164,856.45 = 8,314,814.70 : x
  2. Step 2: Convert to fraction form
    10,109,904.30/15,164,856.45 = 8,314,814.70/x
  3. Step 3: Cross multiply
    10,109,904.30x = 15,164,856.45 × 8,314,814.70
  4. Step 4: Simplify right side
    10,109,904.30x = 126,092,971,333,849.81
  5. Step 5: Solve for x
    x = 126,092,971,333,849.81/10,109,904.30
  6. Step 6: Final answer
    x = 12,472,222.05

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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.