Home / 21,507,509.90-32,264,447.97-6,929,543.72

Finding the Fourth Proportional to 21,507,509.90, 32,264,447.97 and 6,929,543.72

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Solution

The fourth proportional to 21,507,509.90, 32,264,447.97 and 6,929,543.72 is: 10,395,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507,509.90 : 32,264,447.97 = 6,929,543.72 : x
  2. Step 2: Convert to fraction form
    21,507,509.90/32,264,447.97 = 6,929,543.72/x
  3. Step 3: Cross multiply
    21,507,509.90x = 32,264,447.97 × 6,929,543.72
  4. Step 4: Simplify right side
    21,507,509.90x = 223,577,902,809,780.22
  5. Step 5: Solve for x
    x = 223,577,902,809,780.22/21,507,509.90
  6. Step 6: Final answer
    x = 10,395,341.16

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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.