Home / 10,368,041.70-15,552,062.55-8,688,425.70

Finding the Fourth Proportional to 10,368,041.70, 15,552,062.55 and 8,688,425.70

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Solution

The fourth proportional to 10,368,041.70, 15,552,062.55 and 8,688,425.70 is: 13,032,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,041.70 : 15,552,062.55 = 8,688,425.70 : x
  2. Step 2: Convert to fraction form
    10,368,041.70/15,552,062.55 = 8,688,425.70/x
  3. Step 3: Cross multiply
    10,368,041.70x = 15,552,062.55 × 8,688,425.70
  4. Step 4: Simplify right side
    10,368,041.70x = 135,122,939,947,427.53
  5. Step 5: Solve for x
    x = 135,122,939,947,427.53/10,368,041.70
  6. Step 6: Final answer
    x = 13,032,638.55

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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.