Home / 13,030,280.15-17,966,970.95-8,314,331.76

Finding the Fourth Proportional to 13,030,280.15, 17,966,970.95 and 8,314,331.76

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Solution

The fourth proportional to 13,030,280.15, 17,966,970.95 and 8,314,331.76 is: 11,464,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,280.15 : 17,966,970.95 = 8,314,331.76 : x
  2. Step 2: Convert to fraction form
    13,030,280.15/17,966,970.95 = 8,314,331.76/x
  3. Step 3: Cross multiply
    13,030,280.15x = 17,966,970.95 × 8,314,331.76
  4. Step 4: Simplify right side
    13,030,280.15x = 149,383,357,159,010.72
  5. Step 5: Solve for x
    x = 149,383,357,159,010.72/13,030,280.15
  6. Step 6: Final answer
    x = 11,464,324.29

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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.