Home / 38,465,095.68-53,081,429.20-20,823,603.68

Finding the Fourth Proportional to 38,465,095.68, 53,081,429.20 and 20,823,603.68

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Solution

The fourth proportional to 38,465,095.68, 53,081,429.20 and 20,823,603.68 is: 28,736,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465,095.68 : 53,081,429.20 = 20,823,603.68 : x
  2. Step 2: Convert to fraction form
    38,465,095.68/53,081,429.20 = 20,823,603.68/x
  3. Step 3: Cross multiply
    38,465,095.68x = 53,081,429.20 × 20,823,603.68
  4. Step 4: Simplify right side
    38,465,095.68x = 1,105,346,644,428,779.50
  5. Step 5: Solve for x
    x = 1,105,346,644,428,779.50/38,465,095.68
  6. Step 6: Final answer
    x = 28,736,355.00

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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.