Home / 27,778,545.36-38,334,387.66-15,389,444.04

Finding the Fourth Proportional to 27,778,545.36, 38,334,387.66 and 15,389,444.04

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Solution

The fourth proportional to 27,778,545.36, 38,334,387.66 and 15,389,444.04 is: 21,237,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778,545.36 : 38,334,387.66 = 15,389,444.04 : x
  2. Step 2: Convert to fraction form
    27,778,545.36/38,334,387.66 = 15,389,444.04/x
  3. Step 3: Cross multiply
    27,778,545.36x = 38,334,387.66 × 15,389,444.04
  4. Step 4: Simplify right side
    27,778,545.36x = 589,944,913,701,236.50
  5. Step 5: Solve for x
    x = 589,944,913,701,236.50/27,778,545.36
  6. Step 6: Final answer
    x = 21,237,430.04

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1.5x scale

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.