Home / 7,724,691.34-10,668,921.40-5,087,328.50

Finding the Fourth Proportional to 7,724,691.34, 10,668,921.40 and 5,087,328.50

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Solution

The fourth proportional to 7,724,691.34, 10,668,921.40 and 5,087,328.50 is: 7,026,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724,691.34 : 10,668,921.40 = 5,087,328.50 : x
  2. Step 2: Convert to fraction form
    7,724,691.34/10,668,921.40 = 5,087,328.50/x
  3. Step 3: Cross multiply
    7,724,691.34x = 10,668,921.40 × 5,087,328.50
  4. Step 4: Simplify right side
    7,724,691.34x = 54,276,307,902,479.90
  5. Step 5: Solve for x
    x = 54,276,307,902,479.90/7,724,691.34
  6. Step 6: Final answer
    x = 7,026,340.02

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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.