Home / 19,038,667.40-28,516,010.70-11,452,401.80

Finding the Fourth Proportional to 19,038,667.40, 28,516,010.70 and 11,452,401.80

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Solution

The fourth proportional to 19,038,667.40, 28,516,010.70 and 11,452,401.80 is: 17,153,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038,667.40 : 28,516,010.70 = 11,452,401.80 : x
  2. Step 2: Convert to fraction form
    19,038,667.40/28,516,010.70 = 11,452,401.80/x
  3. Step 3: Cross multiply
    19,038,667.40x = 28,516,010.70 × 11,452,401.80
  4. Step 4: Simplify right side
    19,038,667.40x = 326,576,812,269,499.25
  5. Step 5: Solve for x
    x = 326,576,812,269,499.25/19,038,667.40
  6. Step 6: Final answer
    x = 17,153,344.06

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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.