Home / 14,020,174.20-21,030,261.30-8,634,905.40

Finding the Fourth Proportional to 14,020,174.20, 21,030,261.30 and 8,634,905.40

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Solution

The fourth proportional to 14,020,174.20, 21,030,261.30 and 8,634,905.40 is: 12,952,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,174.20 : 21,030,261.30 = 8,634,905.40 : x
  2. Step 2: Convert to fraction form
    14,020,174.20/21,030,261.30 = 8,634,905.40/x
  3. Step 3: Cross multiply
    14,020,174.20x = 21,030,261.30 × 8,634,905.40
  4. Step 4: Simplify right side
    14,020,174.20x = 181,594,316,862,781.03
  5. Step 5: Solve for x
    x = 181,594,316,862,781.03/14,020,174.20
  6. Step 6: Final answer
    x = 12,952,358.10

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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.