Home / 12,205,255.60-16,852,210.68-10,693,601.20

Finding the Fourth Proportional to 12,205,255.60, 16,852,210.68 and 10,693,601.20

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Solution

The fourth proportional to 12,205,255.60, 16,852,210.68 and 10,693,601.20 is: 14,765,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205,255.60 : 16,852,210.68 = 10,693,601.20 : x
  2. Step 2: Convert to fraction form
    12,205,255.60/16,852,210.68 = 10,693,601.20/x
  3. Step 3: Cross multiply
    12,205,255.60x = 16,852,210.68 × 10,693,601.20
  4. Step 4: Simplify right side
    12,205,255.60x = 180,210,820,350,300.81
  5. Step 5: Solve for x
    x = 180,210,820,350,300.81/12,205,255.60
  6. Step 6: Final answer
    x = 14,765,018.14

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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.