Home / 18,886,547.80-28,287,831.30-14,612,858.20

Finding the Fourth Proportional to 18,886,547.80, 28,287,831.30 and 14,612,858.20

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Solution

The fourth proportional to 18,886,547.80, 28,287,831.30 and 14,612,858.20 is: 21,886,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886,547.80 : 28,287,831.30 = 14,612,858.20 : x
  2. Step 2: Convert to fraction form
    18,886,547.80/28,287,831.30 = 14,612,858.20/x
  3. Step 3: Cross multiply
    18,886,547.80x = 28,287,831.30 × 14,612,858.20
  4. Step 4: Simplify right side
    18,886,547.80x = 413,366,067,572,421.62
  5. Step 5: Solve for x
    x = 413,366,067,572,421.62/18,886,547.80
  6. Step 6: Final answer
    x = 21,886,798.58

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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.