Home / 28,558,312.38-39,442,919.76-19,249,828.02

Finding the Fourth Proportional to 28,558,312.38, 39,442,919.76 and 19,249,828.02

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Solution

The fourth proportional to 28,558,312.38, 39,442,919.76 and 19,249,828.02 is: 26,586,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,558,312.38 : 39,442,919.76 = 19,249,828.02 : x
  2. Step 2: Convert to fraction form
    28,558,312.38/39,442,919.76 = 19,249,828.02/x
  3. Step 3: Cross multiply
    28,558,312.38x = 39,442,919.76 × 19,249,828.02
  4. Step 4: Simplify right side
    28,558,312.38x = 759,269,421,986,659.62
  5. Step 5: Solve for x
    x = 759,269,421,986,659.62/28,558,312.38
  6. Step 6: Final answer
    x = 26,586,634.81

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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.