Home / 13,032,079.86-17,983,995.36-7,230,736.74

Finding the Fourth Proportional to 13,032,079.86, 17,983,995.36 and 7,230,736.74

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Solution

The fourth proportional to 13,032,079.86, 17,983,995.36 and 7,230,736.74 is: 9,978,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032,079.86 : 17,983,995.36 = 7,230,736.74 : x
  2. Step 2: Convert to fraction form
    13,032,079.86/17,983,995.36 = 7,230,736.74/x
  3. Step 3: Cross multiply
    13,032,079.86x = 17,983,995.36 × 7,230,736.74
  4. Step 4: Simplify right side
    13,032,079.86x = 130,037,535,981,541.53
  5. Step 5: Solve for x
    x = 130,037,535,981,541.53/13,032,079.86
  6. Step 6: Final answer
    x = 9,978,264.20

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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.