Home / 18,931,715.81-26,125,767.28-10,229,888.16

Finding the Fourth Proportional to 18,931,715.81, 26,125,767.28 and 10,229,888.16

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Solution

The fourth proportional to 18,931,715.81, 26,125,767.28 and 10,229,888.16 is: 14,117,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,715.81 : 26,125,767.28 = 10,229,888.16 : x
  2. Step 2: Convert to fraction form
    18,931,715.81/26,125,767.28 = 10,229,888.16/x
  3. Step 3: Cross multiply
    18,931,715.81x = 26,125,767.28 × 10,229,888.16
  4. Step 4: Simplify right side
    18,931,715.81x = 267,263,677,381,374.78
  5. Step 5: Solve for x
    x = 267,263,677,381,374.78/18,931,715.81
  6. Step 6: Final answer
    x = 14,117,245.37

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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.