Home / 30,922,688.13-42,653,700.04-18,996,282.76

Finding the Fourth Proportional to 30,922,688.13, 42,653,700.04 and 18,996,282.76

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Solution

The fourth proportional to 30,922,688.13, 42,653,700.04 and 18,996,282.76 is: 26,202,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,922,688.13 : 42,653,700.04 = 18,996,282.76 : x
  2. Step 2: Convert to fraction form
    30,922,688.13/42,653,700.04 = 18,996,282.76/x
  3. Step 3: Cross multiply
    30,922,688.13x = 42,653,700.04 × 18,996,282.76
  4. Step 4: Simplify right side
    30,922,688.13x = 810,261,746,681,532
  5. Step 5: Solve for x
    x = 810,261,746,681,532/30,922,688.13
  6. Step 6: Final answer
    x = 26,202,823.74

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1.5x scale

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.