Home / 18,901,715.61-28,358,457.03-6,771,283.14

Finding the Fourth Proportional to 18,901,715.61, 28,358,457.03 and 6,771,283.14

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Solution

The fourth proportional to 18,901,715.61, 28,358,457.03 and 6,771,283.14 is: 10,159,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901,715.61 : 28,358,457.03 = 6,771,283.14 : x
  2. Step 2: Convert to fraction form
    18,901,715.61/28,358,457.03 = 6,771,283.14/x
  3. Step 3: Cross multiply
    18,901,715.61x = 28,358,457.03 × 6,771,283.14
  4. Step 4: Simplify right side
    18,901,715.61x = 192,023,141,963,653.47
  5. Step 5: Solve for x
    x = 192,023,141,963,653.47/18,901,715.61
  6. Step 6: Final answer
    x = 10,159,032.44

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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.