Home / 15,455,215.80-23,182,823.70-7,802,465.40

Finding the Fourth Proportional to 15,455,215.80, 23,182,823.70 and 7,802,465.40

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Solution

The fourth proportional to 15,455,215.80, 23,182,823.70 and 7,802,465.40 is: 11,703,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,215.80 : 23,182,823.70 = 7,802,465.40 : x
  2. Step 2: Convert to fraction form
    15,455,215.80/23,182,823.70 = 7,802,465.40/x
  3. Step 3: Cross multiply
    15,455,215.80x = 23,182,823.70 × 7,802,465.40
  4. Step 4: Simplify right side
    15,455,215.80x = 180,883,179,793,549.97
  5. Step 5: Solve for x
    x = 180,883,179,793,549.97/15,455,215.80
  6. Step 6: Final answer
    x = 11,703,698.10

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1.5x scale

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.