Home / 10,519,863.20-15,779,794.80-9,732,543.20

Finding the Fourth Proportional to 10,519,863.20, 15,779,794.80 and 9,732,543.20

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Solution

The fourth proportional to 10,519,863.20, 15,779,794.80 and 9,732,543.20 is: 14,598,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519,863.20 : 15,779,794.80 = 9,732,543.20 : x
  2. Step 2: Convert to fraction form
    10,519,863.20/15,779,794.80 = 9,732,543.20/x
  3. Step 3: Cross multiply
    10,519,863.20x = 15,779,794.80 × 9,732,543.20
  4. Step 4: Simplify right side
    10,519,863.20x = 153,577,534,578,135.34
  5. Step 5: Solve for x
    x = 153,577,534,578,135.34/10,519,863.20
  6. Step 6: Final answer
    x = 14,598,814.80

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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.