Home / 5,447,538.17-7,518,419.95-4,138,636.32

Finding the Fourth Proportional to 5,447,538.17, 7,518,419.95 and 4,138,636.32

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Solution

The fourth proportional to 5,447,538.17, 7,518,419.95 and 4,138,636.32 is: 5,711,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,538.17 : 7,518,419.95 = 4,138,636.32 : x
  2. Step 2: Convert to fraction form
    5,447,538.17/7,518,419.95 = 4,138,636.32/x
  3. Step 3: Cross multiply
    5,447,538.17x = 7,518,419.95 × 4,138,636.32
  4. Step 4: Simplify right side
    5,447,538.17x = 31,116,005,846,837.07
  5. Step 5: Solve for x
    x = 31,116,005,846,837.07/5,447,538.17
  6. Step 6: Final answer
    x = 5,711,939.03

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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.