Home / 11,434,642.83-15,779,838.15-6,278,338.35

Finding the Fourth Proportional to 11,434,642.83, 15,779,838.15 and 6,278,338.35

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Solution

The fourth proportional to 11,434,642.83, 15,779,838.15 and 6,278,338.35 is: 8,664,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434,642.83 : 15,779,838.15 = 6,278,338.35 : x
  2. Step 2: Convert to fraction form
    11,434,642.83/15,779,838.15 = 6,278,338.35/x
  3. Step 3: Cross multiply
    11,434,642.83x = 15,779,838.15 × 6,278,338.35
  4. Step 4: Simplify right side
    11,434,642.83x = 99,071,163,013,938.05
  5. Step 5: Solve for x
    x = 99,071,163,013,938.05/11,434,642.83
  6. Step 6: Final answer
    x = 8,664,123.97

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Double scale
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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.