Home / 7,169,042.16-9,892,406.88-4,070,435.76

Finding the Fourth Proportional to 7,169,042.16, 9,892,406.88 and 4,070,435.76

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Solution

The fourth proportional to 7,169,042.16, 9,892,406.88 and 4,070,435.76 is: 5,616,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,042.16 : 9,892,406.88 = 4,070,435.76 : x
  2. Step 2: Convert to fraction form
    7,169,042.16/9,892,406.88 = 4,070,435.76/x
  3. Step 3: Cross multiply
    7,169,042.16x = 9,892,406.88 × 4,070,435.76
  4. Step 4: Simplify right side
    7,169,042.16x = 40,266,406,716,822.03
  5. Step 5: Solve for x
    x = 40,266,406,716,822.03/7,169,042.16
  6. Step 6: Final answer
    x = 5,616,706.64

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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.