Home / 10,779,905.60-16,174,451.10-5,666,262.20

Finding the Fourth Proportional to 10,779,905.60, 16,174,451.10 and 5,666,262.20

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Solution

The fourth proportional to 10,779,905.60, 16,174,451.10 and 5,666,262.20 is: 8,501,807.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,905.60 : 16,174,451.10 = 5,666,262.20 : x
  2. Step 2: Convert to fraction form
    10,779,905.60/16,174,451.10 = 5,666,262.20/x
  3. Step 3: Cross multiply
    10,779,905.60x = 16,174,451.10 × 5,666,262.20
  4. Step 4: Simplify right side
    10,779,905.60x = 91,648,680,873,678.42
  5. Step 5: Solve for x
    x = 91,648,680,873,678.42/10,779,905.60
  6. Step 6: Final answer
    x = 8,501,807.37

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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.