Home / 12,860,488.40-19,294,316.28-10,486,747.92

Finding the Fourth Proportional to 12,860,488.40, 19,294,316.28 and 10,486,747.92

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Solution

The fourth proportional to 12,860,488.40, 19,294,316.28 and 10,486,747.92 is: 15,733,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,488.40 : 19,294,316.28 = 10,486,747.92 : x
  2. Step 2: Convert to fraction form
    12,860,488.40/19,294,316.28 = 10,486,747.92/x
  3. Step 3: Cross multiply
    12,860,488.40x = 19,294,316.28 × 10,486,747.92
  4. Step 4: Simplify right side
    12,860,488.40x = 202,334,631,117,112.16
  5. Step 5: Solve for x
    x = 202,334,631,117,112.16/12,860,488.40
  6. Step 6: Final answer
    x = 15,733,044.10

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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.