Home / 28,566,434.08-39,433,742.72-19,286,574.88

Finding the Fourth Proportional to 28,566,434.08, 39,433,742.72 and 19,286,574.88

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Solution

The fourth proportional to 28,566,434.08, 39,433,742.72 and 19,286,574.88 is: 26,623,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566,434.08 : 39,433,742.72 = 19,286,574.88 : x
  2. Step 2: Convert to fraction form
    28,566,434.08/39,433,742.72 = 19,286,574.88/x
  3. Step 3: Cross multiply
    28,566,434.08x = 39,433,742.72 × 19,286,574.88
  4. Step 4: Simplify right side
    28,566,434.08x = 760,541,831,767,934.75
  5. Step 5: Solve for x
    x = 760,541,831,767,934.75/28,566,434.08
  6. Step 6: Final answer
    x = 26,623,618.11

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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.