Home / 38,289,320.40-57,386,085.30-19,125,426.72

Finding the Fourth Proportional to 38,289,320.40, 57,386,085.30 and 19,125,426.72

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Solution

The fourth proportional to 38,289,320.40, 57,386,085.30 and 19,125,426.72 is: 28,664,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289,320.40 : 57,386,085.30 = 19,125,426.72 : x
  2. Step 2: Convert to fraction form
    38,289,320.40/57,386,085.30 = 19,125,426.72/x
  3. Step 3: Cross multiply
    38,289,320.40x = 57,386,085.30 × 19,125,426.72
  4. Step 4: Simplify right side
    38,289,320.40x = 1,097,533,369,152,819.12
  5. Step 5: Solve for x
    x = 1,097,533,369,152,819.12/38,289,320.40
  6. Step 6: Final answer
    x = 28,664,216.49

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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.