Home / 31,655,898.12-47,217,696.14-28,749,801.59

Finding the Fourth Proportional to 31,655,898.12, 47,217,696.14 and 28,749,801.59

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Solution

The fourth proportional to 31,655,898.12, 47,217,696.14 and 28,749,801.59 is: 42,882,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655,898.12 : 47,217,696.14 = 28,749,801.59 : x
  2. Step 2: Convert to fraction form
    31,655,898.12/47,217,696.14 = 28,749,801.59/x
  3. Step 3: Cross multiply
    31,655,898.12x = 47,217,696.14 × 28,749,801.59
  4. Step 4: Simplify right side
    31,655,898.12x = 1,357,499,395,182,071.25
  5. Step 5: Solve for x
    x = 1,357,499,395,182,071.25/31,655,898.12
  6. Step 6: Final answer
    x = 42,882,984.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.