Home / 7,341,291.90-10,130,701.18-4,078,311.80

Finding the Fourth Proportional to 7,341,291.90, 10,130,701.18 and 4,078,311.80

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Solution

The fourth proportional to 7,341,291.90, 10,130,701.18 and 4,078,311.80 is: 5,627,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,291.90 : 10,130,701.18 = 4,078,311.80 : x
  2. Step 2: Convert to fraction form
    7,341,291.90/10,130,701.18 = 4,078,311.80/x
  3. Step 3: Cross multiply
    7,341,291.90x = 10,130,701.18 × 4,078,311.80
  4. Step 4: Simplify right side
    7,341,291.90x = 41,316,158,164,667.92
  5. Step 5: Solve for x
    x = 41,316,158,164,667.92/7,341,291.90
  6. Step 6: Final answer
    x = 5,627,913.82

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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.