Home / 7,339,421.30-10,128,526.58-4,031,854.83

Finding the Fourth Proportional to 7,339,421.30, 10,128,526.58 and 4,031,854.83

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Solution

The fourth proportional to 7,339,421.30, 10,128,526.58 and 4,031,854.83 is: 5,564,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,421.30 : 10,128,526.58 = 4,031,854.83 : x
  2. Step 2: Convert to fraction form
    7,339,421.30/10,128,526.58 = 4,031,854.83/x
  3. Step 3: Cross multiply
    7,339,421.30x = 10,128,526.58 × 4,031,854.83
  4. Step 4: Simplify right side
    7,339,421.30x = 40,836,748,822,436.02
  5. Step 5: Solve for x
    x = 40,836,748,822,436.02/7,339,421.30
  6. Step 6: Final answer
    x = 5,564,028.44

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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.