Home / 12,223,670.16-16,869,669.48-7,881,794.76

Finding the Fourth Proportional to 12,223,670.16, 16,869,669.48 and 7,881,794.76

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Solution

The fourth proportional to 12,223,670.16, 16,869,669.48 and 7,881,794.76 is: 10,877,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,670.16 : 16,869,669.48 = 7,881,794.76 : x
  2. Step 2: Convert to fraction form
    12,223,670.16/16,869,669.48 = 7,881,794.76/x
  3. Step 3: Cross multiply
    12,223,670.16x = 16,869,669.48 × 7,881,794.76
  4. Step 4: Simplify right side
    12,223,670.16x = 132,963,272,510,395.92
  5. Step 5: Solve for x
    x = 132,963,272,510,395.92/12,223,670.16
  6. Step 6: Final answer
    x = 10,877,524.57

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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.