Home / 10,290,431.16-14,200,815.51-5,644,254.15

Finding the Fourth Proportional to 10,290,431.16, 14,200,815.51 and 5,644,254.15

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Solution

The fourth proportional to 10,290,431.16, 14,200,815.51 and 5,644,254.15 is: 7,789,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,431.16 : 14,200,815.51 = 5,644,254.15 : x
  2. Step 2: Convert to fraction form
    10,290,431.16/14,200,815.51 = 5,644,254.15/x
  3. Step 3: Cross multiply
    10,290,431.16x = 14,200,815.51 × 5,644,254.15
  4. Step 4: Simplify right side
    10,290,431.16x = 80,153,011,875,701.88
  5. Step 5: Solve for x
    x = 80,153,011,875,701.88/10,290,431.16
  6. Step 6: Final answer
    x = 7,789,081.98

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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.