Home / 15,186,334.16-20,957,127.48-8,572,315.10

Finding the Fourth Proportional to 15,186,334.16, 20,957,127.48 and 8,572,315.10

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Solution

The fourth proportional to 15,186,334.16, 20,957,127.48 and 8,572,315.10 is: 11,829,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186,334.16 : 20,957,127.48 = 8,572,315.10 : x
  2. Step 2: Convert to fraction form
    15,186,334.16/20,957,127.48 = 8,572,315.10/x
  3. Step 3: Cross multiply
    15,186,334.16x = 20,957,127.48 × 8,572,315.10
  4. Step 4: Simplify right side
    15,186,334.16x = 179,651,100,349,428.94
  5. Step 5: Solve for x
    x = 179,651,100,349,428.94/15,186,334.16
  6. Step 6: Final answer
    x = 11,829,787.13

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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.