Home / 19,909,951.40-29,864,927.10-6,448,140.20

Finding the Fourth Proportional to 19,909,951.40, 29,864,927.10 and 6,448,140.20

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Solution

The fourth proportional to 19,909,951.40, 29,864,927.10 and 6,448,140.20 is: 9,672,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909,951.40 : 29,864,927.10 = 6,448,140.20 : x
  2. Step 2: Convert to fraction form
    19,909,951.40/29,864,927.10 = 6,448,140.20/x
  3. Step 3: Cross multiply
    19,909,951.40x = 29,864,927.10 × 6,448,140.20
  4. Step 4: Simplify right side
    19,909,951.40x = 192,573,237,003,579.44
  5. Step 5: Solve for x
    x = 192,573,237,003,579.44/19,909,951.40
  6. Step 6: Final answer
    x = 9,672,210.30

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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.