Home / 21,523,533.72-32,286,875.40-8,744,280.36

Finding the Fourth Proportional to 21,523,533.72, 32,286,875.40 and 8,744,280.36

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Solution

The fourth proportional to 21,523,533.72, 32,286,875.40 and 8,744,280.36 is: 13,117,060.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523,533.72 : 32,286,875.40 = 8,744,280.36 : x
  2. Step 2: Convert to fraction form
    21,523,533.72/32,286,875.40 = 8,744,280.36/x
  3. Step 3: Cross multiply
    21,523,533.72x = 32,286,875.40 × 8,744,280.36
  4. Step 4: Simplify right side
    21,523,533.72x = 282,325,490,445,987.12
  5. Step 5: Solve for x
    x = 282,325,490,445,987.12/21,523,533.72
  6. Step 6: Final answer
    x = 13,117,060.34

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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.