Home / 13,013,718.41-17,958,240.12-7,506,765.64

Finding the Fourth Proportional to 13,013,718.41, 17,958,240.12 and 7,506,765.64

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Solution

The fourth proportional to 13,013,718.41, 17,958,240.12 and 7,506,765.64 is: 10,358,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,718.41 : 17,958,240.12 = 7,506,765.64 : x
  2. Step 2: Convert to fraction form
    13,013,718.41/17,958,240.12 = 7,506,765.64/x
  3. Step 3: Cross multiply
    13,013,718.41x = 17,958,240.12 × 7,506,765.64
  4. Step 4: Simplify right side
    13,013,718.41x = 134,808,299,795,042.98
  5. Step 5: Solve for x
    x = 134,808,299,795,042.98/13,013,718.41
  6. Step 6: Final answer
    x = 10,358,937.82

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1.5x scale

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.