Home / 19,330,148.16-28,988,247.06-5,679,643.20

Finding the Fourth Proportional to 19,330,148.16, 28,988,247.06 and 5,679,643.20

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Solution

The fourth proportional to 19,330,148.16, 28,988,247.06 and 5,679,643.20 is: 8,517,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330,148.16 : 28,988,247.06 = 5,679,643.20 : x
  2. Step 2: Convert to fraction form
    19,330,148.16/28,988,247.06 = 5,679,643.20/x
  3. Step 3: Cross multiply
    19,330,148.16x = 28,988,247.06 × 5,679,643.20
  4. Step 4: Simplify right side
    19,330,148.16x = 164,642,900,294,249
  5. Step 5: Solve for x
    x = 164,642,900,294,249/19,330,148.16
  6. Step 6: Final answer
    x = 8,517,415.33

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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.