Home / 40,368,030.84-55,780,752.92-28,745,416.16

Finding the Fourth Proportional to 40,368,030.84, 55,780,752.92 and 28,745,416.16

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Solution

The fourth proportional to 40,368,030.84, 55,780,752.92 and 28,745,416.16 is: 39,720,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368,030.84 : 55,780,752.92 = 28,745,416.16 : x
  2. Step 2: Convert to fraction form
    40,368,030.84/55,780,752.92 = 28,745,416.16/x
  3. Step 3: Cross multiply
    40,368,030.84x = 55,780,752.92 × 28,745,416.16
  4. Step 4: Simplify right side
    40,368,030.84x = 1,603,440,956,403,535.25
  5. Step 5: Solve for x
    x = 1,603,440,956,403,535.25/40,368,030.84
  6. Step 6: Final answer
    x = 39,720,564.10

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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.