Home / 21,947,051.02-30,286,525.18-12,157,280.40

Finding the Fourth Proportional to 21,947,051.02, 30,286,525.18 and 12,157,280.40

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Solution

The fourth proportional to 21,947,051.02, 30,286,525.18 and 12,157,280.40 is: 16,776,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,051.02 : 30,286,525.18 = 12,157,280.40 : x
  2. Step 2: Convert to fraction form
    21,947,051.02/30,286,525.18 = 12,157,280.40/x
  3. Step 3: Cross multiply
    21,947,051.02x = 30,286,525.18 × 12,157,280.40
  4. Step 4: Simplify right side
    21,947,051.02x = 368,201,779,000,243.56
  5. Step 5: Solve for x
    x = 368,201,779,000,243.56/21,947,051.02
  6. Step 6: Final answer
    x = 16,776,822.48

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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.