Home / 9,812,451-13,541,310.63-5,402,689.50

Finding the Fourth Proportional to 9,812,451, 13,541,310.63 and 5,402,689.50

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Solution

The fourth proportional to 9,812,451, 13,541,310.63 and 5,402,689.50 is: 7,455,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812,451 : 13,541,310.63 = 5,402,689.50 : x
  2. Step 2: Convert to fraction form
    9,812,451/13,541,310.63 = 5,402,689.50/x
  3. Step 3: Cross multiply
    9,812,451x = 13,541,310.63 × 5,402,689.50
  4. Step 4: Simplify right side
    9,812,451x = 73,159,496,756,939.39
  5. Step 5: Solve for x
    x = 73,159,496,756,939.39/9,812,451
  6. Step 6: Final answer
    x = 7,455,782.12

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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.