Home / 28,264,554.10-42,396,831.15-6,989,418.10

Finding the Fourth Proportional to 28,264,554.10, 42,396,831.15 and 6,989,418.10

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Solution

The fourth proportional to 28,264,554.10, 42,396,831.15 and 6,989,418.10 is: 10,484,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264,554.10 : 42,396,831.15 = 6,989,418.10 : x
  2. Step 2: Convert to fraction form
    28,264,554.10/42,396,831.15 = 6,989,418.10/x
  3. Step 3: Cross multiply
    28,264,554.10x = 42,396,831.15 × 6,989,418.10
  4. Step 4: Simplify right side
    28,264,554.10x = 296,329,179,022,453.81
  5. Step 5: Solve for x
    x = 296,329,179,022,453.81/28,264,554.10
  6. Step 6: Final answer
    x = 10,484,127.15

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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.