Home / 12,158,581.32-16,776,095.36-7,262,845.16

Finding the Fourth Proportional to 12,158,581.32, 16,776,095.36 and 7,262,845.16

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Solution

The fourth proportional to 12,158,581.32, 16,776,095.36 and 7,262,845.16 is: 10,021,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,581.32 : 16,776,095.36 = 7,262,845.16 : x
  2. Step 2: Convert to fraction form
    12,158,581.32/16,776,095.36 = 7,262,845.16/x
  3. Step 3: Cross multiply
    12,158,581.32x = 16,776,095.36 × 7,262,845.16
  4. Step 4: Simplify right side
    12,158,581.32x = 121,842,182,868,879.77
  5. Step 5: Solve for x
    x = 121,842,182,868,879.77/12,158,581.32
  6. Step 6: Final answer
    x = 10,021,085.49

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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.