Home / 18,698,366.40-28,071,169.20-10,069,339.20

Finding the Fourth Proportional to 18,698,366.40, 28,071,169.20 and 10,069,339.20

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Solution

The fourth proportional to 18,698,366.40, 28,071,169.20 and 10,069,339.20 is: 15,116,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698,366.40 : 28,071,169.20 = 10,069,339.20 : x
  2. Step 2: Convert to fraction form
    18,698,366.40/28,071,169.20 = 10,069,339.20/x
  3. Step 3: Cross multiply
    18,698,366.40x = 28,071,169.20 × 10,069,339.20
  4. Step 4: Simplify right side
    18,698,366.40x = 282,658,124,415,392.62
  5. Step 5: Solve for x
    x = 282,658,124,415,392.62/18,698,366.40
  6. Step 6: Final answer
    x = 15,116,728.29

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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.