Home / 21,792,053.60-32,688,080.40-18,432,821.60

Finding the Fourth Proportional to 21,792,053.60, 32,688,080.40 and 18,432,821.60

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Solution

The fourth proportional to 21,792,053.60, 32,688,080.40 and 18,432,821.60 is: 27,649,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792,053.60 : 32,688,080.40 = 18,432,821.60 : x
  2. Step 2: Convert to fraction form
    21,792,053.60/32,688,080.40 = 18,432,821.60/x
  3. Step 3: Cross multiply
    21,792,053.60x = 32,688,080.40 × 18,432,821.60
  4. Step 4: Simplify right side
    21,792,053.60x = 602,533,554,459,656.62
  5. Step 5: Solve for x
    x = 602,533,554,459,656.62/21,792,053.60
  6. Step 6: Final answer
    x = 27,649,232.40

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1.5x scale

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.