Home / 15,655,986.83-23,484,718.35-12,918,456.74

Finding the Fourth Proportional to 15,655,986.83, 23,484,718.35 and 12,918,456.74

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Solution

The fourth proportional to 15,655,986.83, 23,484,718.35 and 12,918,456.74 is: 19,378,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655,986.83 : 23,484,718.35 = 12,918,456.74 : x
  2. Step 2: Convert to fraction form
    15,655,986.83/23,484,718.35 = 12,918,456.74/x
  3. Step 3: Cross multiply
    15,655,986.83x = 23,484,718.35 × 12,918,456.74
  4. Step 4: Simplify right side
    15,655,986.83x = 303,386,317,938,135.56
  5. Step 5: Solve for x
    x = 303,386,317,938,135.56/15,655,986.83
  6. Step 6: Final answer
    x = 19,378,294.15

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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.