Home / 12,686,855.04-19,038,287.93-5,400,303.12

Finding the Fourth Proportional to 12,686,855.04, 19,038,287.93 and 5,400,303.12

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Solution

The fourth proportional to 12,686,855.04, 19,038,287.93 and 5,400,303.12 is: 8,103,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,855.04 : 19,038,287.93 = 5,400,303.12 : x
  2. Step 2: Convert to fraction form
    12,686,855.04/19,038,287.93 = 5,400,303.12/x
  3. Step 3: Cross multiply
    12,686,855.04x = 19,038,287.93 × 5,400,303.12
  4. Step 4: Simplify right side
    12,686,855.04x = 102,812,525,680,835.83
  5. Step 5: Solve for x
    x = 102,812,525,680,835.83/12,686,855.04
  6. Step 6: Final answer
    x = 8,103,862.25

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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.