Home / 15,678,216.60-23,517,324.90-9,938,653.80

Finding the Fourth Proportional to 15,678,216.60, 23,517,324.90 and 9,938,653.80

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Solution

The fourth proportional to 15,678,216.60, 23,517,324.90 and 9,938,653.80 is: 14,907,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,216.60 : 23,517,324.90 = 9,938,653.80 : x
  2. Step 2: Convert to fraction form
    15,678,216.60/23,517,324.90 = 9,938,653.80/x
  3. Step 3: Cross multiply
    15,678,216.60x = 23,517,324.90 × 9,938,653.80
  4. Step 4: Simplify right side
    15,678,216.60x = 233,730,550,483,219.62
  5. Step 5: Solve for x
    x = 233,730,550,483,219.62/15,678,216.60
  6. Step 6: Final answer
    x = 14,907,980.70

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1.5x scale

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.