Home / 28,887,287.04-43,317,158.40-10,690,663.68

Finding the Fourth Proportional to 28,887,287.04, 43,317,158.40 and 10,690,663.68

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Solution

The fourth proportional to 28,887,287.04, 43,317,158.40 and 10,690,663.68 is: 16,030,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887,287.04 : 43,317,158.40 = 10,690,663.68 : x
  2. Step 2: Convert to fraction form
    28,887,287.04/43,317,158.40 = 10,690,663.68/x
  3. Step 3: Cross multiply
    28,887,287.04x = 43,317,158.40 × 10,690,663.68
  4. Step 4: Simplify right side
    28,887,287.04x = 463,089,172,027,686.88
  5. Step 5: Solve for x
    x = 463,089,172,027,686.88/28,887,287.04
  6. Step 6: Final answer
    x = 16,030,898.69

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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.