Home / 40,089,296.15-55,323,228.70-21,754,581.65

Finding the Fourth Proportional to 40,089,296.15, 55,323,228.70 and 21,754,581.65

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Solution

The fourth proportional to 40,089,296.15, 55,323,228.70 and 21,754,581.65 is: 30,021,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,296.15 : 55,323,228.70 = 21,754,581.65 : x
  2. Step 2: Convert to fraction form
    40,089,296.15/55,323,228.70 = 21,754,581.65/x
  3. Step 3: Cross multiply
    40,089,296.15x = 55,323,228.70 × 21,754,581.65
  4. Step 4: Simplify right side
    40,089,296.15x = 1,203,533,696,084,457
  5. Step 5: Solve for x
    x = 1,203,533,696,084,457/40,089,296.15
  6. Step 6: Final answer
    x = 30,021,322.69

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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.