Home / 7,341,296.90-10,130,708.08-4,078,316.80

Finding the Fourth Proportional to 7,341,296.90, 10,130,708.08 and 4,078,316.80

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Solution

The fourth proportional to 7,341,296.90, 10,130,708.08 and 4,078,316.80 is: 5,627,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,296.90 : 10,130,708.08 = 4,078,316.80 : x
  2. Step 2: Convert to fraction form
    7,341,296.90/10,130,708.08 = 4,078,316.80/x
  3. Step 3: Cross multiply
    7,341,296.90x = 10,130,708.08 × 4,078,316.80
  4. Step 4: Simplify right side
    7,341,296.90x = 41,316,236,958,559.74
  5. Step 5: Solve for x
    x = 41,316,236,958,559.74/7,341,296.90
  6. Step 6: Final answer
    x = 5,627,920.72

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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.