Home / 13,316,264.46-19,974,792.78-5,231,275.38

Finding the Fourth Proportional to 13,316,264.46, 19,974,792.78 and 5,231,275.38

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Solution

The fourth proportional to 13,316,264.46, 19,974,792.78 and 5,231,275.38 is: 7,847,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,264.46 : 19,974,792.78 = 5,231,275.38 : x
  2. Step 2: Convert to fraction form
    13,316,264.46/19,974,792.78 = 5,231,275.38/x
  3. Step 3: Cross multiply
    13,316,264.46x = 19,974,792.78 × 5,231,275.38
  4. Step 4: Simplify right side
    13,316,264.46x = 104,493,641,690,615.77
  5. Step 5: Solve for x
    x = 104,493,641,690,615.77/13,316,264.46
  6. Step 6: Final answer
    x = 7,847,068.67

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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.