Home / 21,348,985.20-32,023,477.80-9,834,430.20

Finding the Fourth Proportional to 21,348,985.20, 32,023,477.80 and 9,834,430.20

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Solution

The fourth proportional to 21,348,985.20, 32,023,477.80 and 9,834,430.20 is: 14,751,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348,985.20 : 32,023,477.80 = 9,834,430.20 : x
  2. Step 2: Convert to fraction form
    21,348,985.20/32,023,477.80 = 9,834,430.20/x
  3. Step 3: Cross multiply
    21,348,985.20x = 32,023,477.80 × 9,834,430.20
  4. Step 4: Simplify right side
    21,348,985.20x = 314,932,657,185,349.56
  5. Step 5: Solve for x
    x = 314,932,657,185,349.56/21,348,985.20
  6. Step 6: Final answer
    x = 14,751,645.30

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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.