Home / 7,665,606.72-11,506,385.34-5,646,130.92

Finding the Fourth Proportional to 7,665,606.72, 11,506,385.34 and 5,646,130.92

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Solution

The fourth proportional to 7,665,606.72, 11,506,385.34 and 5,646,130.92 is: 8,475,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,606.72 : 11,506,385.34 = 5,646,130.92 : x
  2. Step 2: Convert to fraction form
    7,665,606.72/11,506,385.34 = 5,646,130.92/x
  3. Step 3: Cross multiply
    7,665,606.72x = 11,506,385.34 × 5,646,130.92
  4. Step 4: Simplify right side
    7,665,606.72x = 64,966,558,045,608.71
  5. Step 5: Solve for x
    x = 64,966,558,045,608.71/7,665,606.72
  6. Step 6: Final answer
    x = 8,475,070.59

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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.