Home / 7,911,785.70-11,867,678.55-7,592,921.10

Finding the Fourth Proportional to 7,911,785.70, 11,867,678.55 and 7,592,921.10

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Solution

The fourth proportional to 7,911,785.70, 11,867,678.55 and 7,592,921.10 is: 11,389,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911,785.70 : 11,867,678.55 = 7,592,921.10 : x
  2. Step 2: Convert to fraction form
    7,911,785.70/11,867,678.55 = 7,592,921.10/x
  3. Step 3: Cross multiply
    7,911,785.70x = 11,867,678.55 × 7,592,921.10
  4. Step 4: Simplify right side
    7,911,785.70x = 90,110,346,870,312.41
  5. Step 5: Solve for x
    x = 90,110,346,870,312.41/7,911,785.70
  6. Step 6: Final answer
    x = 11,389,381.65

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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.