Home / 38,128,070.57-52,617,089.63-20,724,456.74

Finding the Fourth Proportional to 38,128,070.57, 52,617,089.63 and 20,724,456.74

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Solution

The fourth proportional to 38,128,070.57, 52,617,089.63 and 20,724,456.74 is: 28,599,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128,070.57 : 52,617,089.63 = 20,724,456.74 : x
  2. Step 2: Convert to fraction form
    38,128,070.57/52,617,089.63 = 20,724,456.74/x
  3. Step 3: Cross multiply
    38,128,070.57x = 52,617,089.63 × 20,724,456.74
  4. Step 4: Simplify right side
    38,128,070.57x = 1,090,460,597,610,363.25
  5. Step 5: Solve for x
    x = 1,090,460,597,610,363.25/38,128,070.57
  6. Step 6: Final answer
    x = 28,599,941.76

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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.