Home / 7,870,515.36-11,779,106.16-4,839,799.92

Finding the Fourth Proportional to 7,870,515.36, 11,779,106.16 and 4,839,799.92

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Solution

The fourth proportional to 7,870,515.36, 11,779,106.16 and 4,839,799.92 is: 7,243,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,515.36 : 11,779,106.16 = 4,839,799.92 : x
  2. Step 2: Convert to fraction form
    7,870,515.36/11,779,106.16 = 4,839,799.92/x
  3. Step 3: Cross multiply
    7,870,515.36x = 11,779,106.16 × 4,839,799.92
  4. Step 4: Simplify right side
    7,870,515.36x = 57,008,517,050,839.51
  5. Step 5: Solve for x
    x = 57,008,517,050,839.51/7,870,515.36
  6. Step 6: Final answer
    x = 7,243,301.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.