Home / 7,081,133.70-10,581,389.56-5,316,911.40

Finding the Fourth Proportional to 7,081,133.70, 10,581,389.56 and 5,316,911.40

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Solution

The fourth proportional to 7,081,133.70, 10,581,389.56 and 5,316,911.40 is: 7,945,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081,133.70 : 10,581,389.56 = 5,316,911.40 : x
  2. Step 2: Convert to fraction form
    7,081,133.70/10,581,389.56 = 5,316,911.40/x
  3. Step 3: Cross multiply
    7,081,133.70x = 10,581,389.56 × 5,316,911.40
  4. Step 4: Simplify right side
    7,081,133.70x = 56,260,310,779,404.99
  5. Step 5: Solve for x
    x = 56,260,310,779,404.99/7,081,133.70
  6. Step 6: Final answer
    x = 7,945,099.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.