Home / 19,931,605.20-29,897,407.80-17,412,181.20

Finding the Fourth Proportional to 19,931,605.20, 29,897,407.80 and 17,412,181.20

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Solution

The fourth proportional to 19,931,605.20, 29,897,407.80 and 17,412,181.20 is: 26,118,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,605.20 : 29,897,407.80 = 17,412,181.20 : x
  2. Step 2: Convert to fraction form
    19,931,605.20/29,897,407.80 = 17,412,181.20/x
  3. Step 3: Cross multiply
    19,931,605.20x = 29,897,407.80 × 17,412,181.20
  4. Step 4: Simplify right side
    19,931,605.20x = 520,579,082,023,893.38
  5. Step 5: Solve for x
    x = 520,579,082,023,893.38/19,931,605.20
  6. Step 6: Final answer
    x = 26,118,271.80

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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.