Home / 15,401,303.55-21,254,050.49-8,431,864.70

Finding the Fourth Proportional to 15,401,303.55, 21,254,050.49 and 8,431,864.70

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Solution

The fourth proportional to 15,401,303.55, 21,254,050.49 and 8,431,864.70 is: 11,636,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,303.55 : 21,254,050.49 = 8,431,864.70 : x
  2. Step 2: Convert to fraction form
    15,401,303.55/21,254,050.49 = 8,431,864.70/x
  3. Step 3: Cross multiply
    15,401,303.55x = 21,254,050.49 × 8,431,864.70
  4. Step 4: Simplify right side
    15,401,303.55x = 179,211,277,910,219.12
  5. Step 5: Solve for x
    x = 179,211,277,910,219.12/15,401,303.55
  6. Step 6: Final answer
    x = 11,636,111.02

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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.