Home / 40,151,312.42-55,409,315.02-21,816,904.10

Finding the Fourth Proportional to 40,151,312.42, 55,409,315.02 and 21,816,904.10

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Solution

The fourth proportional to 40,151,312.42, 55,409,315.02 and 21,816,904.10 is: 30,107,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151,312.42 : 55,409,315.02 = 21,816,904.10 : x
  2. Step 2: Convert to fraction form
    40,151,312.42/55,409,315.02 = 21,816,904.10/x
  3. Step 3: Cross multiply
    40,151,312.42x = 55,409,315.02 × 21,816,904.10
  4. Step 4: Simplify right side
    40,151,312.42x = 1,208,859,711,706,440.75
  5. Step 5: Solve for x
    x = 1,208,859,711,706,440.75/40,151,312.42
  6. Step 6: Final answer
    x = 30,107,601.45

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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.