Home / 10,230,128.88-14,116,572.08-5,646,154.72

Finding the Fourth Proportional to 10,230,128.88, 14,116,572.08 and 5,646,154.72

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Solution

The fourth proportional to 10,230,128.88, 14,116,572.08 and 5,646,154.72 is: 7,791,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230,128.88 : 14,116,572.08 = 5,646,154.72 : x
  2. Step 2: Convert to fraction form
    10,230,128.88/14,116,572.08 = 5,646,154.72/x
  3. Step 3: Cross multiply
    10,230,128.88x = 14,116,572.08 × 5,646,154.72
  4. Step 4: Simplify right side
    10,230,128.88x = 79,704,350,079,712.22
  5. Step 5: Solve for x
    x = 79,704,350,079,712.22/10,230,128.88
  6. Step 6: Final answer
    x = 7,791,138.41

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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.