Home / 7,228,342.54-9,975,019.71-4,130,830.36

Finding the Fourth Proportional to 7,228,342.54, 9,975,019.71 and 4,130,830.36

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Solution

The fourth proportional to 7,228,342.54, 9,975,019.71 and 4,130,830.36 is: 5,700,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,342.54 : 9,975,019.71 = 4,130,830.36 : x
  2. Step 2: Convert to fraction form
    7,228,342.54/9,975,019.71 = 4,130,830.36/x
  3. Step 3: Cross multiply
    7,228,342.54x = 9,975,019.71 × 4,130,830.36
  4. Step 4: Simplify right side
    7,228,342.54x = 41,205,114,259,666.40
  5. Step 5: Solve for x
    x = 41,205,114,259,666.40/7,228,342.54
  6. Step 6: Final answer
    x = 5,700,492.75

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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.