Home / 10,347,312.30-15,520,968.45-4,953,186.15

Finding the Fourth Proportional to 10,347,312.30, 15,520,968.45 and 4,953,186.15

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Solution

The fourth proportional to 10,347,312.30, 15,520,968.45 and 4,953,186.15 is: 7,429,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,312.30 : 15,520,968.45 = 4,953,186.15 : x
  2. Step 2: Convert to fraction form
    10,347,312.30/15,520,968.45 = 4,953,186.15/x
  3. Step 3: Cross multiply
    10,347,312.30x = 15,520,968.45 × 4,953,186.15
  4. Step 4: Simplify right side
    10,347,312.30x = 76,878,245,961,126.97
  5. Step 5: Solve for x
    x = 76,878,245,961,126.97/10,347,312.30
  6. Step 6: Final answer
    x = 7,429,779.23

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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.