Home / 15,624,735.79-21,561,901.85-8,655,392.47

Finding the Fourth Proportional to 15,624,735.79, 21,561,901.85 and 8,655,392.47

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Solution

The fourth proportional to 15,624,735.79, 21,561,901.85 and 8,655,392.47 is: 11,944,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624,735.79 : 21,561,901.85 = 8,655,392.47 : x
  2. Step 2: Convert to fraction form
    15,624,735.79/21,561,901.85 = 8,655,392.47/x
  3. Step 3: Cross multiply
    15,624,735.79x = 21,561,901.85 × 8,655,392.47
  4. Step 4: Simplify right side
    15,624,735.79x = 186,626,722,803,559.56
  5. Step 5: Solve for x
    x = 186,626,722,803,559.56/15,624,735.79
  6. Step 6: Final answer
    x = 11,944,312.23

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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.