Home / 14,208,288.30-21,312,432.45-10,429,152.30

Finding the Fourth Proportional to 14,208,288.30, 21,312,432.45 and 10,429,152.30

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Solution

The fourth proportional to 14,208,288.30, 21,312,432.45 and 10,429,152.30 is: 15,643,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208,288.30 : 21,312,432.45 = 10,429,152.30 : x
  2. Step 2: Convert to fraction form
    14,208,288.30/21,312,432.45 = 10,429,152.30/x
  3. Step 3: Cross multiply
    14,208,288.30x = 21,312,432.45 × 10,429,152.30
  4. Step 4: Simplify right side
    14,208,288.30x = 222,270,603,904,512.16
  5. Step 5: Solve for x
    x = 222,270,603,904,512.16/14,208,288.30
  6. Step 6: Final answer
    x = 15,643,728.45

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Similar ratio
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1.5x scale

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.