Home / 15,316,598.68-21,136,909.52-8,347,277.89

Finding the Fourth Proportional to 15,316,598.68, 21,136,909.52 and 8,347,277.89

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Solution

The fourth proportional to 15,316,598.68, 21,136,909.52 and 8,347,277.89 is: 11,519,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,598.68 : 21,136,909.52 = 8,347,277.89 : x
  2. Step 2: Convert to fraction form
    15,316,598.68/21,136,909.52 = 8,347,277.89/x
  3. Step 3: Cross multiply
    15,316,598.68x = 21,136,909.52 × 8,347,277.89
  4. Step 4: Simplify right side
    15,316,598.68x = 176,435,657,499,226.50
  5. Step 5: Solve for x
    x = 176,435,657,499,226.50/15,316,598.68
  6. Step 6: Final answer
    x = 11,519,245.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.