Home / 39,011,756.54-53,836,223.02-21,609,222.76

Finding the Fourth Proportional to 39,011,756.54, 53,836,223.02 and 21,609,222.76

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Solution

The fourth proportional to 39,011,756.54, 53,836,223.02 and 21,609,222.76 is: 29,820,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,011,756.54 : 53,836,223.02 = 21,609,222.76 : x
  2. Step 2: Convert to fraction form
    39,011,756.54/53,836,223.02 = 21,609,222.76/x
  3. Step 3: Cross multiply
    39,011,756.54x = 53,836,223.02 × 21,609,222.76
  4. Step 4: Simplify right side
    39,011,756.54x = 1,163,358,935,796,220
  5. Step 5: Solve for x
    x = 1,163,358,935,796,220/39,011,756.54
  6. Step 6: Final answer
    x = 29,820,726.85

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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.