Home / 15,316,597.68-21,136,908.14-8,347,276.89

Finding the Fourth Proportional to 15,316,597.68, 21,136,908.14 and 8,347,276.89

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Solution

The fourth proportional to 15,316,597.68, 21,136,908.14 and 8,347,276.89 is: 11,519,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316,597.68 : 21,136,908.14 = 8,347,276.89 : x
  2. Step 2: Convert to fraction form
    15,316,597.68/21,136,908.14 = 8,347,276.89/x
  3. Step 3: Cross multiply
    15,316,597.68x = 21,136,908.14 × 8,347,276.89
  4. Step 4: Simplify right side
    15,316,597.68x = 176,435,624,801,338.50
  5. Step 5: Solve for x
    x = 176,435,624,801,338.50/15,316,597.68
  6. Step 6: Final answer
    x = 11,519,243.93

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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.