Home / 9,919,541.78-13,688,031.44-5,567,778.10

Finding the Fourth Proportional to 9,919,541.78, 13,688,031.44 and 5,567,778.10

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Solution

The fourth proportional to 9,919,541.78, 13,688,031.44 and 5,567,778.10 is: 7,683,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,541.78 : 13,688,031.44 = 5,567,778.10 : x
  2. Step 2: Convert to fraction form
    9,919,541.78/13,688,031.44 = 5,567,778.10/x
  3. Step 3: Cross multiply
    9,919,541.78x = 13,688,031.44 × 5,567,778.10
  4. Step 4: Simplify right side
    9,919,541.78x = 76,211,921,714,772.95
  5. Step 5: Solve for x
    x = 76,211,921,714,772.95/9,919,541.78
  6. Step 6: Final answer
    x = 7,683,008.29

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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.