Home / 38,090,186.46-52,564,765.95-20,686,656.15

Finding the Fourth Proportional to 38,090,186.46, 52,564,765.95 and 20,686,656.15

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Solution

The fourth proportional to 38,090,186.46, 52,564,765.95 and 20,686,656.15 is: 28,547,753.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090,186.46 : 52,564,765.95 = 20,686,656.15 : x
  2. Step 2: Convert to fraction form
    38,090,186.46/52,564,765.95 = 20,686,656.15/x
  3. Step 3: Cross multiply
    38,090,186.46x = 52,564,765.95 × 20,686,656.15
  4. Step 4: Simplify right side
    38,090,186.46x = 1,087,389,238,812,878.12
  5. Step 5: Solve for x
    x = 1,087,389,238,812,878.12/38,090,186.46
  6. Step 6: Final answer
    x = 28,547,753.11

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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.