Home / 12,860,487.40-19,294,314.78-10,486,746.92

Finding the Fourth Proportional to 12,860,487.40, 19,294,314.78 and 10,486,746.92

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Solution

The fourth proportional to 12,860,487.40, 19,294,314.78 and 10,486,746.92 is: 15,733,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,487.40 : 19,294,314.78 = 10,486,746.92 : x
  2. Step 2: Convert to fraction form
    12,860,487.40/19,294,314.78 = 10,486,746.92/x
  3. Step 3: Cross multiply
    12,860,487.40x = 19,294,314.78 × 10,486,746.92
  4. Step 4: Simplify right side
    12,860,487.40x = 202,334,596,092,675.50
  5. Step 5: Solve for x
    x = 202,334,596,092,675.50/12,860,487.40
  6. Step 6: Final answer
    x = 15,733,042.60

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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.