Home / 28,003,001-42,011,587.38-7,808,243

Finding the Fourth Proportional to 28,003,001, 42,011,587.38 and 7,808,243

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Solution

The fourth proportional to 28,003,001, 42,011,587.38 and 7,808,243 is: 11,714,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,001 : 42,011,587.38 = 7,808,243 : x
  2. Step 2: Convert to fraction form
    28,003,001/42,011,587.38 = 7,808,243/x
  3. Step 3: Cross multiply
    28,003,001x = 42,011,587.38 × 7,808,243
  4. Step 4: Simplify right side
    28,003,001x = 328,036,683,078,773.38
  5. Step 5: Solve for x
    x = 328,036,683,078,773.38/28,003,001
  6. Step 6: Final answer
    x = 11,714,340.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.