Home / 14,427,284.48-19,909,409.28-7,988,618.24

Finding the Fourth Proportional to 14,427,284.48, 19,909,409.28 and 7,988,618.24

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Solution

The fourth proportional to 14,427,284.48, 19,909,409.28 and 7,988,618.24 is: 11,024,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427,284.48 : 19,909,409.28 = 7,988,618.24 : x
  2. Step 2: Convert to fraction form
    14,427,284.48/19,909,409.28 = 7,988,618.24/x
  3. Step 3: Cross multiply
    14,427,284.48x = 19,909,409.28 × 7,988,618.24
  4. Step 4: Simplify right side
    14,427,284.48x = 159,048,670,121,833.28
  5. Step 5: Solve for x
    x = 159,048,670,121,833.28/14,427,284.48
  6. Step 6: Final answer
    x = 11,024,158.45

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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.