Home / 19,030,826.12-26,226,338.08-18,681,061.64

Finding the Fourth Proportional to 19,030,826.12, 26,226,338.08 and 18,681,061.64

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Solution

The fourth proportional to 19,030,826.12, 26,226,338.08 and 18,681,061.64 is: 25,744,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030,826.12 : 26,226,338.08 = 18,681,061.64 : x
  2. Step 2: Convert to fraction form
    19,030,826.12/26,226,338.08 = 18,681,061.64/x
  3. Step 3: Cross multiply
    19,030,826.12x = 26,226,338.08 × 18,681,061.64
  4. Step 4: Simplify right side
    19,030,826.12x = 489,935,838,263,959.25
  5. Step 5: Solve for x
    x = 489,935,838,263,959.25/19,030,826.12
  6. Step 6: Final answer
    x = 25,744,328.45

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Double scale
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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.