Home / 27,616,874.90-38,111,545.36-15,227,412.67

Finding the Fourth Proportional to 27,616,874.90, 38,111,545.36 and 15,227,412.67

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Solution

The fourth proportional to 27,616,874.90, 38,111,545.36 and 15,227,412.67 is: 21,013,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616,874.90 : 38,111,545.36 = 15,227,412.67 : x
  2. Step 2: Convert to fraction form
    27,616,874.90/38,111,545.36 = 15,227,412.67/x
  3. Step 3: Cross multiply
    27,616,874.90x = 38,111,545.36 × 15,227,412.67
  4. Step 4: Simplify right side
    27,616,874.90x = 580,340,228,688,143.75
  5. Step 5: Solve for x
    x = 580,340,228,688,143.75/27,616,874.90
  6. Step 6: Final answer
    x = 21,013,971.74

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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.