Home / 7,408,048.02-10,223,613.09-4,145,172.18

Finding the Fourth Proportional to 7,408,048.02, 10,223,613.09 and 4,145,172.18

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Solution

The fourth proportional to 7,408,048.02, 10,223,613.09 and 4,145,172.18 is: 5,720,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408,048.02 : 10,223,613.09 = 4,145,172.18 : x
  2. Step 2: Convert to fraction form
    7,408,048.02/10,223,613.09 = 4,145,172.18/x
  3. Step 3: Cross multiply
    7,408,048.02x = 10,223,613.09 × 4,145,172.18
  4. Step 4: Simplify right side
    7,408,048.02x = 42,378,636,559,751.84
  5. Step 5: Solve for x
    x = 42,378,636,559,751.84/7,408,048.02
  6. Step 6: Final answer
    x = 5,720,621.20

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Double scale
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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.