Home / 30,310,079.76-45,433,363.32-14,122,681.20

Finding the Fourth Proportional to 30,310,079.76, 45,433,363.32 and 14,122,681.20

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Solution

The fourth proportional to 30,310,079.76, 45,433,363.32 and 14,122,681.20 is: 21,169,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,079.76 : 45,433,363.32 = 14,122,681.20 : x
  2. Step 2: Convert to fraction form
    30,310,079.76/45,433,363.32 = 14,122,681.20/x
  3. Step 3: Cross multiply
    30,310,079.76x = 45,433,363.32 × 14,122,681.20
  4. Step 4: Simplify right side
    30,310,079.76x = 641,640,906,012,133.50
  5. Step 5: Solve for x
    x = 641,640,906,012,133.50/30,310,079.76
  6. Step 6: Final answer
    x = 21,169,225.26

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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.