Home / 19,000,555.80-26,220,129.18-11,261,003.40

Finding the Fourth Proportional to 19,000,555.80, 26,220,129.18 and 11,261,003.40

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Solution

The fourth proportional to 19,000,555.80, 26,220,129.18 and 11,261,003.40 is: 15,539,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000,555.80 : 26,220,129.18 = 11,261,003.40 : x
  2. Step 2: Convert to fraction form
    19,000,555.80/26,220,129.18 = 11,261,003.40/x
  3. Step 3: Cross multiply
    19,000,555.80x = 26,220,129.18 × 11,261,003.40
  4. Step 4: Simplify right side
    19,000,555.80x = 295,264,963,844,419.19
  5. Step 5: Solve for x
    x = 295,264,963,844,419.19/19,000,555.80
  6. Step 6: Final answer
    x = 15,539,806.67

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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.