Home / 10,106,685.40-15,160,028.10-2,918,453.80

Finding the Fourth Proportional to 10,106,685.40, 15,160,028.10 and 2,918,453.80

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Solution

The fourth proportional to 10,106,685.40, 15,160,028.10 and 2,918,453.80 is: 4,377,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,685.40 : 15,160,028.10 = 2,918,453.80 : x
  2. Step 2: Convert to fraction form
    10,106,685.40/15,160,028.10 = 2,918,453.80/x
  3. Step 3: Cross multiply
    10,106,685.40x = 15,160,028.10 × 2,918,453.80
  4. Step 4: Simplify right side
    10,106,685.40x = 44,243,841,616,551.77
  5. Step 5: Solve for x
    x = 44,243,841,616,551.77/10,106,685.40
  6. Step 6: Final answer
    x = 4,377,680.70

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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.