Home / 22,085,572.59-30,470,201.93-12,788,068.19

Finding the Fourth Proportional to 22,085,572.59, 30,470,201.93 and 12,788,068.19

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Solution

The fourth proportional to 22,085,572.59, 30,470,201.93 and 12,788,068.19 is: 17,642,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085,572.59 : 30,470,201.93 = 12,788,068.19 : x
  2. Step 2: Convert to fraction form
    22,085,572.59/30,470,201.93 = 12,788,068.19/x
  3. Step 3: Cross multiply
    22,085,572.59x = 30,470,201.93 × 12,788,068.19
  4. Step 4: Simplify right side
    22,085,572.59x = 389,655,019,923,528.81
  5. Step 5: Solve for x
    x = 389,655,019,923,528.81/22,085,572.59
  6. Step 6: Final answer
    x = 17,642,966.62

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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.