Home / 10,527,863.80-15,779,985.90-5,981,090.80

Finding the Fourth Proportional to 10,527,863.80, 15,779,985.90 and 5,981,090.80

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Solution

The fourth proportional to 10,527,863.80, 15,779,985.90 and 5,981,090.80 is: 8,964,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527,863.80 : 15,779,985.90 = 5,981,090.80 : x
  2. Step 2: Convert to fraction form
    10,527,863.80/15,779,985.90 = 5,981,090.80/x
  3. Step 3: Cross multiply
    10,527,863.80x = 15,779,985.90 × 5,981,090.80
  4. Step 4: Simplify right side
    10,527,863.80x = 94,381,528,490,619.72
  5. Step 5: Solve for x
    x = 94,381,528,490,619.72/10,527,863.80
  6. Step 6: Final answer
    x = 8,964,926.82

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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.