Home / 10,179,017.89-14,053,808.81-7,820,014.15

Finding the Fourth Proportional to 10,179,017.89, 14,053,808.81 and 7,820,014.15

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Solution

The fourth proportional to 10,179,017.89, 14,053,808.81 and 7,820,014.15 is: 10,796,816.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179,017.89 : 14,053,808.81 = 7,820,014.15 : x
  2. Step 2: Convert to fraction form
    10,179,017.89/14,053,808.81 = 7,820,014.15/x
  3. Step 3: Cross multiply
    10,179,017.89x = 14,053,808.81 × 7,820,014.15
  4. Step 4: Simplify right side
    10,179,017.89x = 109,900,983,792,711.95
  5. Step 5: Solve for x
    x = 109,900,983,792,711.95/10,179,017.89
  6. Step 6: Final answer
    x = 10,796,816.06

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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.