Home / 28,588,588.60-42,863,925.66-10,390,623.16

Finding the Fourth Proportional to 28,588,588.60, 42,863,925.66 and 10,390,623.16

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Solution

The fourth proportional to 28,588,588.60, 42,863,925.66 and 10,390,623.16 is: 15,579,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588,588.60 : 42,863,925.66 = 10,390,623.16 : x
  2. Step 2: Convert to fraction form
    28,588,588.60/42,863,925.66 = 10,390,623.16/x
  3. Step 3: Cross multiply
    28,588,588.60x = 42,863,925.66 × 10,390,623.16
  4. Step 4: Simplify right side
    28,588,588.60x = 445,382,898,691,314.25
  5. Step 5: Solve for x
    x = 445,382,898,691,314.25/28,588,588.60
  6. Step 6: Final answer
    x = 15,579,044.66

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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.