Home / 12,828,101.54-17,696,068.50-7,931,758.46

Finding the Fourth Proportional to 12,828,101.54, 17,696,068.50 and 7,931,758.46

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Solution

The fourth proportional to 12,828,101.54, 17,696,068.50 and 7,931,758.46 is: 10,941,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828,101.54 : 17,696,068.50 = 7,931,758.46 : x
  2. Step 2: Convert to fraction form
    12,828,101.54/17,696,068.50 = 7,931,758.46/x
  3. Step 3: Cross multiply
    12,828,101.54x = 17,696,068.50 × 7,931,758.46
  4. Step 4: Simplify right side
    12,828,101.54x = 140,360,941,033,614.52
  5. Step 5: Solve for x
    x = 140,360,941,033,614.52/12,828,101.54
  6. Step 6: Final answer
    x = 10,941,676.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.