Home / 9,194,962.11-12,688,139.48-5,120,960.19

Finding the Fourth Proportional to 9,194,962.11, 12,688,139.48 and 5,120,960.19

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Solution

The fourth proportional to 9,194,962.11, 12,688,139.48 and 5,120,960.19 is: 7,066,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194,962.11 : 12,688,139.48 = 5,120,960.19 : x
  2. Step 2: Convert to fraction form
    9,194,962.11/12,688,139.48 = 5,120,960.19/x
  3. Step 3: Cross multiply
    9,194,962.11x = 12,688,139.48 × 5,120,960.19
  4. Step 4: Simplify right side
    9,194,962.11x = 64,975,457,136,642.50
  5. Step 5: Solve for x
    x = 64,975,457,136,642.50/9,194,962.11
  6. Step 6: Final answer
    x = 7,066,419.24

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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.