Home / 7,381,358.80-10,186,570.08-4,118,458.70

Finding the Fourth Proportional to 7,381,358.80, 10,186,570.08 and 4,118,458.70

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Solution

The fourth proportional to 7,381,358.80, 10,186,570.08 and 4,118,458.70 is: 5,683,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,358.80 : 10,186,570.08 = 4,118,458.70 : x
  2. Step 2: Convert to fraction form
    7,381,358.80/10,186,570.08 = 4,118,458.70/x
  3. Step 3: Cross multiply
    7,381,358.80x = 10,186,570.08 × 4,118,458.70
  4. Step 4: Simplify right side
    7,381,358.80x = 41,952,968,169,135.70
  5. Step 5: Solve for x
    x = 41,952,968,169,135.70/7,381,358.80
  6. Step 6: Final answer
    x = 5,683,637.57

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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.