Home / 23,118,528.48-31,903,170.24-12,805,030.20

Finding the Fourth Proportional to 23,118,528.48, 31,903,170.24 and 12,805,030.20

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Solution

The fourth proportional to 23,118,528.48, 31,903,170.24 and 12,805,030.20 is: 17,670,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118,528.48 : 31,903,170.24 = 12,805,030.20 : x
  2. Step 2: Convert to fraction form
    23,118,528.48/31,903,170.24 = 12,805,030.20/x
  3. Step 3: Cross multiply
    23,118,528.48x = 31,903,170.24 × 12,805,030.20
  4. Step 4: Simplify right side
    23,118,528.48x = 408,521,058,398,941.19
  5. Step 5: Solve for x
    x = 408,521,058,398,941.19/23,118,528.48
  6. Step 6: Final answer
    x = 17,670,720.64

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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.