Home / 10,772,686.40-16,167,842.40-10,688,705.60

Finding the Fourth Proportional to 10,772,686.40, 16,167,842.40 and 10,688,705.60

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Solution

The fourth proportional to 10,772,686.40, 16,167,842.40 and 10,688,705.60 is: 16,041,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772,686.40 : 16,167,842.40 = 10,688,705.60 : x
  2. Step 2: Convert to fraction form
    10,772,686.40/16,167,842.40 = 10,688,705.60/x
  3. Step 3: Cross multiply
    10,772,686.40x = 16,167,842.40 × 10,688,705.60
  4. Step 4: Simplify right side
    10,772,686.40x = 172,813,307,600,797.44
  5. Step 5: Solve for x
    x = 172,813,307,600,797.44/10,772,686.40
  6. Step 6: Final answer
    x = 16,041,802.50

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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.