Home / 12,113,125.20-18,176,686.20-4,540,856.40

Finding the Fourth Proportional to 12,113,125.20, 18,176,686.20 and 4,540,856.40

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Solution

The fourth proportional to 12,113,125.20, 18,176,686.20 and 4,540,856.40 is: 6,813,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,125.20 : 18,176,686.20 = 4,540,856.40 : x
  2. Step 2: Convert to fraction form
    12,113,125.20/18,176,686.20 = 4,540,856.40/x
  3. Step 3: Cross multiply
    12,113,125.20x = 18,176,686.20 × 4,540,856.40
  4. Step 4: Simplify right side
    12,113,125.20x = 82,537,721,862,061.69
  5. Step 5: Solve for x
    x = 82,537,721,862,061.69/12,113,125.20
  6. Step 6: Final answer
    x = 6,813,908.10

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1.5x scale

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.