Home / 12,937,509.80-19,406,264.70-8,906,431.40

Finding the Fourth Proportional to 12,937,509.80, 19,406,264.70 and 8,906,431.40

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Solution

The fourth proportional to 12,937,509.80, 19,406,264.70 and 8,906,431.40 is: 13,359,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,509.80 : 19,406,264.70 = 8,906,431.40 : x
  2. Step 2: Convert to fraction form
    12,937,509.80/19,406,264.70 = 8,906,431.40/x
  3. Step 3: Cross multiply
    12,937,509.80x = 19,406,264.70 × 8,906,431.40
  4. Step 4: Simplify right side
    12,937,509.80x = 172,840,565,280,791.59
  5. Step 5: Solve for x
    x = 172,840,565,280,791.59/12,937,509.80
  6. Step 6: Final answer
    x = 13,359,647.10

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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.