Home / 10,779,975.60-16,169,963.40-9,898,177.20

Finding the Fourth Proportional to 10,779,975.60, 16,169,963.40 and 9,898,177.20

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Solution

The fourth proportional to 10,779,975.60, 16,169,963.40 and 9,898,177.20 is: 14,847,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,975.60 : 16,169,963.40 = 9,898,177.20 : x
  2. Step 2: Convert to fraction form
    10,779,975.60/16,169,963.40 = 9,898,177.20/x
  3. Step 3: Cross multiply
    10,779,975.60x = 16,169,963.40 × 9,898,177.20
  4. Step 4: Simplify right side
    10,779,975.60x = 160,053,163,050,714.47
  5. Step 5: Solve for x
    x = 160,053,163,050,714.47/10,779,975.60
  6. Step 6: Final answer
    x = 14,847,265.80

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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.