Home / 14,638,328.10-20,201,335.69-8,111,346.88

Finding the Fourth Proportional to 14,638,328.10, 20,201,335.69 and 8,111,346.88

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Solution

The fourth proportional to 14,638,328.10, 20,201,335.69 and 8,111,346.88 is: 11,193,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,328.10 : 20,201,335.69 = 8,111,346.88 : x
  2. Step 2: Convert to fraction form
    14,638,328.10/20,201,335.69 = 8,111,346.88/x
  3. Step 3: Cross multiply
    14,638,328.10x = 20,201,335.69 × 8,111,346.88
  4. Step 4: Simplify right side
    14,638,328.10x = 163,860,041,220,914.16
  5. Step 5: Solve for x
    x = 163,860,041,220,914.16/14,638,328.10
  6. Step 6: Final answer
    x = 11,193,904.12

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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.