Home / 21,492,005.80-32,238,008.70-14,280,154.60

Finding the Fourth Proportional to 21,492,005.80, 32,238,008.70 and 14,280,154.60

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Solution

The fourth proportional to 21,492,005.80, 32,238,008.70 and 14,280,154.60 is: 21,420,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492,005.80 : 32,238,008.70 = 14,280,154.60 : x
  2. Step 2: Convert to fraction form
    21,492,005.80/32,238,008.70 = 14,280,154.60/x
  3. Step 3: Cross multiply
    21,492,005.80x = 32,238,008.70 × 14,280,154.60
  4. Step 4: Simplify right side
    21,492,005.80x = 460,363,748,232,145
  5. Step 5: Solve for x
    x = 460,363,748,232,145/21,492,005.80
  6. Step 6: Final answer
    x = 21,420,231.90

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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.