Home / 14,447,632.32-19,937,627.22-7,921,154.13

Finding the Fourth Proportional to 14,447,632.32, 19,937,627.22 and 7,921,154.13

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Solution

The fourth proportional to 14,447,632.32, 19,937,627.22 and 7,921,154.13 is: 10,931,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447,632.32 : 19,937,627.22 = 7,921,154.13 : x
  2. Step 2: Convert to fraction form
    14,447,632.32/19,937,627.22 = 7,921,154.13/x
  3. Step 3: Cross multiply
    14,447,632.32x = 19,937,627.22 × 7,921,154.13
  4. Step 4: Simplify right side
    14,447,632.32x = 157,929,018,196,103.41
  5. Step 5: Solve for x
    x = 157,929,018,196,103.41/14,447,632.32
  6. Step 6: Final answer
    x = 10,931,134.92

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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.