Home / 15,355,762.59-21,191,475.39-9,081,668.25

Finding the Fourth Proportional to 15,355,762.59, 21,191,475.39 and 9,081,668.25

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Solution

The fourth proportional to 15,355,762.59, 21,191,475.39 and 9,081,668.25 is: 12,533,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,355,762.59 : 21,191,475.39 = 9,081,668.25 : x
  2. Step 2: Convert to fraction form
    15,355,762.59/21,191,475.39 = 9,081,668.25/x
  3. Step 3: Cross multiply
    15,355,762.59x = 21,191,475.39 × 9,081,668.25
  4. Step 4: Simplify right side
    15,355,762.59x = 192,453,949,220,019.38
  5. Step 5: Solve for x
    x = 192,453,949,220,019.38/15,355,762.59
  6. Step 6: Final answer
    x = 12,533,011.51

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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.