Home / 30,280,461.78-41,787,477.93-17,227,439.76

Finding the Fourth Proportional to 30,280,461.78, 41,787,477.93 and 17,227,439.76

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Solution

The fourth proportional to 30,280,461.78, 41,787,477.93 and 17,227,439.76 is: 23,774,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280,461.78 : 41,787,477.93 = 17,227,439.76 : x
  2. Step 2: Convert to fraction form
    30,280,461.78/41,787,477.93 = 17,227,439.76/x
  3. Step 3: Cross multiply
    30,280,461.78x = 41,787,477.93 × 17,227,439.76
  4. Step 4: Simplify right side
    30,280,461.78x = 719,891,258,761,404.50
  5. Step 5: Solve for x
    x = 719,891,258,761,404.50/30,280,461.78
  6. Step 6: Final answer
    x = 23,774,117.58

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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.