Home / 40,684,905-56,122,806.45-25,772,919.76

Finding the Fourth Proportional to 40,684,905, 56,122,806.45 and 25,772,919.76

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Solution

The fourth proportional to 40,684,905, 56,122,806.45 and 25,772,919.76 is: 35,552,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684,905 : 56,122,806.45 = 25,772,919.76 : x
  2. Step 2: Convert to fraction form
    40,684,905/56,122,806.45 = 25,772,919.76/x
  3. Step 3: Cross multiply
    40,684,905x = 56,122,806.45 × 25,772,919.76
  4. Step 4: Simplify right side
    40,684,905x = 1,446,448,587,341,860.50
  5. Step 5: Solve for x
    x = 1,446,448,587,341,860.50/40,684,905
  6. Step 6: Final answer
    x = 35,552,463.19

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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.