Home / 30,854,874.51-42,584,064.35-19,097,913.96

Finding the Fourth Proportional to 30,854,874.51, 42,584,064.35 and 19,097,913.96

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Solution

The fourth proportional to 30,854,874.51, 42,584,064.35 and 19,097,913.96 is: 26,357,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854,874.51 : 42,584,064.35 = 19,097,913.96 : x
  2. Step 2: Convert to fraction form
    30,854,874.51/42,584,064.35 = 19,097,913.96/x
  3. Step 3: Cross multiply
    30,854,874.51x = 42,584,064.35 × 19,097,913.96
  4. Step 4: Simplify right side
    30,854,874.51x = 813,266,797,023,403.38
  5. Step 5: Solve for x
    x = 813,266,797,023,403.38/30,854,874.51
  6. Step 6: Final answer
    x = 26,357,806.02

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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.