Home / 21,872,272.80-32,808,409.20-9,117,688.80

Finding the Fourth Proportional to 21,872,272.80, 32,808,409.20 and 9,117,688.80

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Solution

The fourth proportional to 21,872,272.80, 32,808,409.20 and 9,117,688.80 is: 13,676,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,272.80 : 32,808,409.20 = 9,117,688.80 : x
  2. Step 2: Convert to fraction form
    21,872,272.80/32,808,409.20 = 9,117,688.80/x
  3. Step 3: Cross multiply
    21,872,272.80x = 32,808,409.20 × 9,117,688.80
  4. Step 4: Simplify right side
    21,872,272.80x = 299,136,865,108,657
  5. Step 5: Solve for x
    x = 299,136,865,108,657/21,872,272.80
  6. Step 6: Final answer
    x = 13,676,533.20

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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.