Home / 9,990,220.07-13,786,503.56-5,406,541.44

Finding the Fourth Proportional to 9,990,220.07, 13,786,503.56 and 5,406,541.44

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Solution

The fourth proportional to 9,990,220.07, 13,786,503.56 and 5,406,541.44 is: 7,461,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,220.07 : 13,786,503.56 = 5,406,541.44 : x
  2. Step 2: Convert to fraction form
    9,990,220.07/13,786,503.56 = 5,406,541.44/x
  3. Step 3: Cross multiply
    9,990,220.07x = 13,786,503.56 × 5,406,541.44
  4. Step 4: Simplify right side
    9,990,220.07x = 74,537,302,823,363.89
  5. Step 5: Solve for x
    x = 74,537,302,823,363.89/9,990,220.07
  6. Step 6: Final answer
    x = 7,461,027.12

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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.