Home / 39,533,809.52-54,518,329.62-30,828,805.94

Finding the Fourth Proportional to 39,533,809.52, 54,518,329.62 and 30,828,805.94

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Solution

The fourth proportional to 39,533,809.52, 54,518,329.62 and 30,828,805.94 is: 42,513,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,533,809.52 : 54,518,329.62 = 30,828,805.94 : x
  2. Step 2: Convert to fraction form
    39,533,809.52/54,518,329.62 = 30,828,805.94/x
  3. Step 3: Cross multiply
    39,533,809.52x = 54,518,329.62 × 30,828,805.94
  4. Step 4: Simplify right side
    39,533,809.52x = 1,680,735,003,755,342.25
  5. Step 5: Solve for x
    x = 1,680,735,003,755,342.25/39,533,809.52
  6. Step 6: Final answer
    x = 42,513,864.07

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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.