Home / 12,559,890.90-18,839,836.35-12,453,602.70

Finding the Fourth Proportional to 12,559,890.90, 18,839,836.35 and 12,453,602.70

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Solution

The fourth proportional to 12,559,890.90, 18,839,836.35 and 12,453,602.70 is: 18,680,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559,890.90 : 18,839,836.35 = 12,453,602.70 : x
  2. Step 2: Convert to fraction form
    12,559,890.90/18,839,836.35 = 12,453,602.70/x
  3. Step 3: Cross multiply
    12,559,890.90x = 18,839,836.35 × 12,453,602.70
  4. Step 4: Simplify right side
    12,559,890.90x = 234,623,836,835,918.16
  5. Step 5: Solve for x
    x = 234,623,836,835,918.16/12,559,890.90
  6. Step 6: Final answer
    x = 18,680,404.05

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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.