Home / 12,832,543.10-19,251,242.36-5,156,785.46

Finding the Fourth Proportional to 12,832,543.10, 19,251,242.36 and 5,156,785.46

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Solution

The fourth proportional to 12,832,543.10, 19,251,242.36 and 5,156,785.46 is: 7,736,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832,543.10 : 19,251,242.36 = 5,156,785.46 : x
  2. Step 2: Convert to fraction form
    12,832,543.10/19,251,242.36 = 5,156,785.46/x
  3. Step 3: Cross multiply
    12,832,543.10x = 19,251,242.36 × 5,156,785.46
  4. Step 4: Simplify right side
    12,832,543.10x = 99,274,526,688,984.08
  5. Step 5: Solve for x
    x = 99,274,526,688,984.08/12,832,543.10
  6. Step 6: Final answer
    x = 7,736,153.77

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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.