Home / 7,881,973.10-11,822,959.65-4,286,350.70

Finding the Fourth Proportional to 7,881,973.10, 11,822,959.65 and 4,286,350.70

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Solution

The fourth proportional to 7,881,973.10, 11,822,959.65 and 4,286,350.70 is: 6,429,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,973.10 : 11,822,959.65 = 4,286,350.70 : x
  2. Step 2: Convert to fraction form
    7,881,973.10/11,822,959.65 = 4,286,350.70/x
  3. Step 3: Cross multiply
    7,881,973.10x = 11,822,959.65 × 4,286,350.70
  4. Step 4: Simplify right side
    7,881,973.10x = 50,677,351,371,849.26
  5. Step 5: Solve for x
    x = 50,677,351,371,849.26/7,881,973.10
  6. Step 6: Final answer
    x = 6,429,526.05

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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.