Home / 10,538,706.76-14,538,962.01-7,055,167.90

Finding the Fourth Proportional to 10,538,706.76, 14,538,962.01 and 7,055,167.90

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Solution

The fourth proportional to 10,538,706.76, 14,538,962.01 and 7,055,167.90 is: 9,733,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538,706.76 : 14,538,962.01 = 7,055,167.90 : x
  2. Step 2: Convert to fraction form
    10,538,706.76/14,538,962.01 = 7,055,167.90/x
  3. Step 3: Cross multiply
    10,538,706.76x = 14,538,962.01 × 7,055,167.90
  4. Step 4: Simplify right side
    10,538,706.76x = 102,574,818,072,271.48
  5. Step 5: Solve for x
    x = 102,574,818,072,271.48/10,538,706.76
  6. Step 6: Final answer
    x = 9,733,150.41

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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.