Home / 28,995,318.68-40,012,463.64-15,941,800.94

Finding the Fourth Proportional to 28,995,318.68, 40,012,463.64 and 15,941,800.94

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Solution

The fourth proportional to 28,995,318.68, 40,012,463.64 and 15,941,800.94 is: 21,999,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,318.68 : 40,012,463.64 = 15,941,800.94 : x
  2. Step 2: Convert to fraction form
    28,995,318.68/40,012,463.64 = 15,941,800.94/x
  3. Step 3: Cross multiply
    28,995,318.68x = 40,012,463.64 × 15,941,800.94
  4. Step 4: Simplify right side
    28,995,318.68x = 637,870,730,267,805.50
  5. Step 5: Solve for x
    x = 637,870,730,267,805.50/28,995,318.68
  6. Step 6: Final answer
    x = 21,999,093.63

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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.