Home / 8,689,343.40-13,046,456.70-4,910,207.40

Finding the Fourth Proportional to 8,689,343.40, 13,046,456.70 and 4,910,207.40

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Solution

The fourth proportional to 8,689,343.40, 13,046,456.70 and 4,910,207.40 is: 7,372,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,343.40 : 13,046,456.70 = 4,910,207.40 : x
  2. Step 2: Convert to fraction form
    8,689,343.40/13,046,456.70 = 4,910,207.40/x
  3. Step 3: Cross multiply
    8,689,343.40x = 13,046,456.70 × 4,910,207.40
  4. Step 4: Simplify right side
    8,689,343.40x = 64,060,808,232,119.58
  5. Step 5: Solve for x
    x = 64,060,808,232,119.58/8,689,343.40
  6. Step 6: Final answer
    x = 7,372,341.65

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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.