Home / 14,421,702.60-19,902,186.90-7,895,224.40

Finding the Fourth Proportional to 14,421,702.60, 19,902,186.90 and 7,895,224.40

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Solution

The fourth proportional to 14,421,702.60, 19,902,186.90 and 7,895,224.40 is: 10,895,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421,702.60 : 19,902,186.90 = 7,895,224.40 : x
  2. Step 2: Convert to fraction form
    14,421,702.60/19,902,186.90 = 7,895,224.40/x
  3. Step 3: Cross multiply
    14,421,702.60x = 19,902,186.90 × 7,895,224.40
  4. Step 4: Simplify right side
    14,421,702.60x = 157,132,231,526,729.41
  5. Step 5: Solve for x
    x = 157,132,231,526,729.41/14,421,702.60
  6. Step 6: Final answer
    x = 10,895,539.58

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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.