Home / 15,851,472.96-21,881,728.64-10,701,809.60

Finding the Fourth Proportional to 15,851,472.96, 21,881,728.64 and 10,701,809.60

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Solution

The fourth proportional to 15,851,472.96, 21,881,728.64 and 10,701,809.60 is: 14,773,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851,472.96 : 21,881,728.64 = 10,701,809.60 : x
  2. Step 2: Convert to fraction form
    15,851,472.96/21,881,728.64 = 10,701,809.60/x
  3. Step 3: Cross multiply
    15,851,472.96x = 21,881,728.64 × 10,701,809.60
  4. Step 4: Simplify right side
    15,851,472.96x = 234,174,093,624,146.94
  5. Step 5: Solve for x
    x = 234,174,093,624,146.94/15,851,472.96
  6. Step 6: Final answer
    x = 14,773,017.89

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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.