Home / 14,238,997.08-19,649,816.69-7,712,628.83

Finding the Fourth Proportional to 14,238,997.08, 19,649,816.69 and 7,712,628.83

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Solution

The fourth proportional to 14,238,997.08, 19,649,816.69 and 7,712,628.83 is: 10,643,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238,997.08 : 19,649,816.69 = 7,712,628.83 : x
  2. Step 2: Convert to fraction form
    14,238,997.08/19,649,816.69 = 7,712,628.83/x
  3. Step 3: Cross multiply
    14,238,997.08x = 19,649,816.69 × 7,712,628.83
  4. Step 4: Simplify right side
    14,238,997.08x = 151,551,742,707,509.19
  5. Step 5: Solve for x
    x = 151,551,742,707,509.19/14,238,997.08
  6. Step 6: Final answer
    x = 10,643,428.18

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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.