Home / 10,438,312.40-15,661,405.20-5,051,731.40

Finding the Fourth Proportional to 10,438,312.40, 15,661,405.20 and 5,051,731.40

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Solution

The fourth proportional to 10,438,312.40, 15,661,405.20 and 5,051,731.40 is: 7,579,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,312.40 : 15,661,405.20 = 5,051,731.40 : x
  2. Step 2: Convert to fraction form
    10,438,312.40/15,661,405.20 = 5,051,731.40/x
  3. Step 3: Cross multiply
    10,438,312.40x = 15,661,405.20 × 5,051,731.40
  4. Step 4: Simplify right side
    10,438,312.40x = 79,117,212,416,963.28
  5. Step 5: Solve for x
    x = 79,117,212,416,963.28/10,438,312.40
  6. Step 6: Final answer
    x = 7,579,502.26

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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.