Home / 7,701,142.95-10,627,155.86-4,215,807.68

Finding the Fourth Proportional to 7,701,142.95, 10,627,155.86 and 4,215,807.68

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Solution

The fourth proportional to 7,701,142.95, 10,627,155.86 and 4,215,807.68 is: 5,817,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701,142.95 : 10,627,155.86 = 4,215,807.68 : x
  2. Step 2: Convert to fraction form
    7,701,142.95/10,627,155.86 = 4,215,807.68/x
  3. Step 3: Cross multiply
    7,701,142.95x = 10,627,155.86 × 4,215,807.68
  4. Step 4: Simplify right side
    7,701,142.95x = 44,802,045,216,930.19
  5. Step 5: Solve for x
    x = 44,802,045,216,930.19/7,701,142.95
  6. Step 6: Final answer
    x = 5,817,583.90

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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.