Home / 31,215,267.40-46,822,901.10-30,577,538.20

Finding the Fourth Proportional to 31,215,267.40, 46,822,901.10 and 30,577,538.20

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Solution

The fourth proportional to 31,215,267.40, 46,822,901.10 and 30,577,538.20 is: 45,866,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215,267.40 : 46,822,901.10 = 30,577,538.20 : x
  2. Step 2: Convert to fraction form
    31,215,267.40/46,822,901.10 = 30,577,538.20/x
  3. Step 3: Cross multiply
    31,215,267.40x = 46,822,901.10 × 30,577,538.20
  4. Step 4: Simplify right side
    31,215,267.40x = 1,431,729,047,020,072
  5. Step 5: Solve for x
    x = 1,431,729,047,020,072/31,215,267.40
  6. Step 6: Final answer
    x = 45,866,307.30

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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.