Home / 7,772,127.12-11,658,326.76-2,980,089.36

Finding the Fourth Proportional to 7,772,127.12, 11,658,326.76 and 2,980,089.36

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Solution

The fourth proportional to 7,772,127.12, 11,658,326.76 and 2,980,089.36 is: 4,470,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,127.12 : 11,658,326.76 = 2,980,089.36 : x
  2. Step 2: Convert to fraction form
    7,772,127.12/11,658,326.76 = 2,980,089.36/x
  3. Step 3: Cross multiply
    7,772,127.12x = 11,658,326.76 × 2,980,089.36
  4. Step 4: Simplify right side
    7,772,127.12x = 34,742,855,532,879.27
  5. Step 5: Solve for x
    x = 34,742,855,532,879.27/7,772,127.12
  6. Step 6: Final answer
    x = 4,470,186.22

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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.