Home / 13,184,812.03-19,782,901.51-7,118,339.21

Finding the Fourth Proportional to 13,184,812.03, 19,782,901.51 and 7,118,339.21

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Solution

The fourth proportional to 13,184,812.03, 19,782,901.51 and 7,118,339.21 is: 10,680,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,812.03 : 19,782,901.51 = 7,118,339.21 : x
  2. Step 2: Convert to fraction form
    13,184,812.03/19,782,901.51 = 7,118,339.21/x
  3. Step 3: Cross multiply
    13,184,812.03x = 19,782,901.51 × 7,118,339.21
  4. Step 4: Simplify right side
    13,184,812.03x = 140,821,403,389,490.84
  5. Step 5: Solve for x
    x = 140,821,403,389,490.84/13,184,812.03
  6. Step 6: Final answer
    x = 10,680,577.25

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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.