Home / 28,282,364.19-39,026,632.28-18,988,051.59

Finding the Fourth Proportional to 28,282,364.19, 39,026,632.28 and 18,988,051.59

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Solution

The fourth proportional to 28,282,364.19, 39,026,632.28 and 18,988,051.59 is: 26,201,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282,364.19 : 39,026,632.28 = 18,988,051.59 : x
  2. Step 2: Convert to fraction form
    28,282,364.19/39,026,632.28 = 18,988,051.59/x
  3. Step 3: Cross multiply
    28,282,364.19x = 39,026,632.28 × 18,988,051.59
  4. Step 4: Simplify right side
    28,282,364.19x = 741,039,707,021,659
  5. Step 5: Solve for x
    x = 741,039,707,021,659/28,282,364.19
  6. Step 6: Final answer
    x = 26,201,476.72

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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.