Home / 28,391,582.09-42,570,315.96-11,099,186.93

Finding the Fourth Proportional to 28,391,582.09, 42,570,315.96 and 11,099,186.93

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Solution

The fourth proportional to 28,391,582.09, 42,570,315.96 and 11,099,186.93 is: 16,642,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,582.09 : 42,570,315.96 = 11,099,186.93 : x
  2. Step 2: Convert to fraction form
    28,391,582.09/42,570,315.96 = 11,099,186.93/x
  3. Step 3: Cross multiply
    28,391,582.09x = 42,570,315.96 × 11,099,186.93
  4. Step 4: Simplify right side
    28,391,582.09x = 472,495,894,574,006.19
  5. Step 5: Solve for x
    x = 472,495,894,574,006.19/28,391,582.09
  6. Step 6: Final answer
    x = 16,642,112.19

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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.