Home / 8,921,206.76-12,308,553.06-5,053,113.32

Finding the Fourth Proportional to 8,921,206.76, 12,308,553.06 and 5,053,113.32

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Solution

The fourth proportional to 8,921,206.76, 12,308,553.06 and 5,053,113.32 is: 6,971,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,206.76 : 12,308,553.06 = 5,053,113.32 : x
  2. Step 2: Convert to fraction form
    8,921,206.76/12,308,553.06 = 5,053,113.32/x
  3. Step 3: Cross multiply
    8,921,206.76x = 12,308,553.06 × 5,053,113.32
  4. Step 4: Simplify right side
    8,921,206.76x = 62,196,513,417,412.77
  5. Step 5: Solve for x
    x = 62,196,513,417,412.77/8,921,206.76
  6. Step 6: Final answer
    x = 6,971,760.11

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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.