Home / 15,587,544.36-21,510,439.53-8,712,666.12

Finding the Fourth Proportional to 15,587,544.36, 21,510,439.53 and 8,712,666.12

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Solution

The fourth proportional to 15,587,544.36, 21,510,439.53 and 8,712,666.12 is: 12,023,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587,544.36 : 21,510,439.53 = 8,712,666.12 : x
  2. Step 2: Convert to fraction form
    15,587,544.36/21,510,439.53 = 8,712,666.12/x
  3. Step 3: Cross multiply
    15,587,544.36x = 21,510,439.53 × 8,712,666.12
  4. Step 4: Simplify right side
    15,587,544.36x = 187,413,277,719,339.72
  5. Step 5: Solve for x
    x = 187,413,277,719,339.72/15,587,544.36
  6. Step 6: Final answer
    x = 12,023,271.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.