Home / 39,121,547.40-58,626,333.90-28,805,905.80

Finding the Fourth Proportional to 39,121,547.40, 58,626,333.90 and 28,805,905.80

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Solution

The fourth proportional to 39,121,547.40, 58,626,333.90 and 28,805,905.80 is: 43,167,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,121,547.40 : 58,626,333.90 = 28,805,905.80 : x
  2. Step 2: Convert to fraction form
    39,121,547.40/58,626,333.90 = 28,805,905.80/x
  3. Step 3: Cross multiply
    39,121,547.40x = 58,626,333.90 × 28,805,905.80
  4. Step 4: Simplify right side
    39,121,547.40x = 1,688,784,651,722,746.50
  5. Step 5: Solve for x
    x = 1,688,784,651,722,746.50/39,121,547.40
  6. Step 6: Final answer
    x = 43,167,634.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.