Home / 7,154,897.92-9,872,862.49-4,836,834.51

Finding the Fourth Proportional to 7,154,897.92, 9,872,862.49 and 4,836,834.51

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Solution

The fourth proportional to 7,154,897.92, 9,872,862.49 and 4,836,834.51 is: 6,674,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,897.92 : 9,872,862.49 = 4,836,834.51 : x
  2. Step 2: Convert to fraction form
    7,154,897.92/9,872,862.49 = 4,836,834.51/x
  3. Step 3: Cross multiply
    7,154,897.92x = 9,872,862.49 × 4,836,834.51
  4. Step 4: Simplify right side
    7,154,897.92x = 47,753,401,973,139.34
  5. Step 5: Solve for x
    x = 47,753,401,973,139.34/7,154,897.92
  6. Step 6: Final answer
    x = 6,674,225.47

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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.