Home / 25,921,330.40-38,881,995.60-21,669,802.40

Finding the Fourth Proportional to 25,921,330.40, 38,881,995.60 and 21,669,802.40

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Solution

The fourth proportional to 25,921,330.40, 38,881,995.60 and 21,669,802.40 is: 32,504,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921,330.40 : 38,881,995.60 = 21,669,802.40 : x
  2. Step 2: Convert to fraction form
    25,921,330.40/38,881,995.60 = 21,669,802.40/x
  3. Step 3: Cross multiply
    25,921,330.40x = 38,881,995.60 × 21,669,802.40
  4. Step 4: Simplify right side
    25,921,330.40x = 842,565,161,569,669.38
  5. Step 5: Solve for x
    x = 842,565,161,569,669.38/25,921,330.40
  6. Step 6: Final answer
    x = 32,504,703.60

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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.