Home / 10,293,712.80-14,207,027.28-5,711,510.40

Finding the Fourth Proportional to 10,293,712.80, 14,207,027.28 and 5,711,510.40

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Solution

The fourth proportional to 10,293,712.80, 14,207,027.28 and 5,711,510.40 is: 7,882,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293,712.80 : 14,207,027.28 = 5,711,510.40 : x
  2. Step 2: Convert to fraction form
    10,293,712.80/14,207,027.28 = 5,711,510.40/x
  3. Step 3: Cross multiply
    10,293,712.80x = 14,207,027.28 × 5,711,510.40
  4. Step 4: Simplify right side
    10,293,712.80x = 81,143,584,062,803.72
  5. Step 5: Solve for x
    x = 81,143,584,062,803.72/10,293,712.80
  6. Step 6: Final answer
    x = 7,882,829.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.