Home / 15,523,186.55-21,421,728.40-8,997,423.22

Finding the Fourth Proportional to 15,523,186.55, 21,421,728.40 and 8,997,423.22

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Solution

The fourth proportional to 15,523,186.55, 21,421,728.40 and 8,997,423.22 is: 12,416,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523,186.55 : 21,421,728.40 = 8,997,423.22 : x
  2. Step 2: Convert to fraction form
    15,523,186.55/21,421,728.40 = 8,997,423.22/x
  3. Step 3: Cross multiply
    15,523,186.55x = 21,421,728.40 × 8,997,423.22
  4. Step 4: Simplify right side
    15,523,186.55x = 192,740,356,518,693.44
  5. Step 5: Solve for x
    x = 192,740,356,518,693.44/15,523,186.55
  6. Step 6: Final answer
    x = 12,416,288.11

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1.5x scale

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.