Home / 39,210,764.41-54,112,347.81-21,808,368.01

Finding the Fourth Proportional to 39,210,764.41, 54,112,347.81 and 21,808,368.01

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Solution

The fourth proportional to 39,210,764.41, 54,112,347.81 and 21,808,368.01 is: 30,096,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210,764.41 : 54,112,347.81 = 21,808,368.01 : x
  2. Step 2: Convert to fraction form
    39,210,764.41/54,112,347.81 = 21,808,368.01/x
  3. Step 3: Cross multiply
    39,210,764.41x = 54,112,347.81 × 21,808,368.01
  4. Step 4: Simplify right side
    39,210,764.41x = 1,180,101,994,925,597.75
  5. Step 5: Solve for x
    x = 1,180,101,994,925,597.75/39,210,764.41
  6. Step 6: Final answer
    x = 30,096,378.19

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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.