Home / 66,585,684-99,878,526.24-18,716,628

Finding the Fourth Proportional to 66,585,684, 99,878,526.24 and 18,716,628

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Solution

The fourth proportional to 66,585,684, 99,878,526.24 and 18,716,628 is: 28,074,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,585,684 : 99,878,526.24 = 18,716,628 : x
  2. Step 2: Convert to fraction form
    66,585,684/99,878,526.24 = 18,716,628/x
  3. Step 3: Cross multiply
    66,585,684x = 99,878,526.24 × 18,716,628
  4. Step 4: Simplify right side
    66,585,684x = 1,869,389,220,822,318.50
  5. Step 5: Solve for x
    x = 1,869,389,220,822,318.50/66,585,684
  6. Step 6: Final answer
    x = 28,074,942.07

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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.