Home / 21,802,280.40-32,703,420.60-13,740,123.60

Finding the Fourth Proportional to 21,802,280.40, 32,703,420.60 and 13,740,123.60

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Solution

The fourth proportional to 21,802,280.40, 32,703,420.60 and 13,740,123.60 is: 20,610,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,280.40 : 32,703,420.60 = 13,740,123.60 : x
  2. Step 2: Convert to fraction form
    21,802,280.40/32,703,420.60 = 13,740,123.60/x
  3. Step 3: Cross multiply
    21,802,280.40x = 32,703,420.60 × 13,740,123.60
  4. Step 4: Simplify right side
    21,802,280.40x = 449,349,041,186,786.19
  5. Step 5: Solve for x
    x = 449,349,041,186,786.19/21,802,280.40
  6. Step 6: Final answer
    x = 20,610,185.40

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1.5x scale

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.