Home / 10,103,707.78-13,943,122.33-5,457,492.79

Finding the Fourth Proportional to 10,103,707.78, 13,943,122.33 and 5,457,492.79

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Solution

The fourth proportional to 10,103,707.78, 13,943,122.33 and 5,457,492.79 is: 7,531,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103,707.78 : 13,943,122.33 = 5,457,492.79 : x
  2. Step 2: Convert to fraction form
    10,103,707.78/13,943,122.33 = 5,457,492.79/x
  3. Step 3: Cross multiply
    10,103,707.78x = 13,943,122.33 × 5,457,492.79
  4. Step 4: Simplify right side
    10,103,707.78x = 76,094,489,537,561.47
  5. Step 5: Solve for x
    x = 76,094,489,537,561.47/10,103,707.78
  6. Step 6: Final answer
    x = 7,531,343.07

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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.