Home / 13,507,152.06-18,639,848.34-7,312,197

Finding the Fourth Proportional to 13,507,152.06, 18,639,848.34 and 7,312,197

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Solution

The fourth proportional to 13,507,152.06, 18,639,848.34 and 7,312,197 is: 10,090,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,152.06 : 18,639,848.34 = 7,312,197 : x
  2. Step 2: Convert to fraction form
    13,507,152.06/18,639,848.34 = 7,312,197/x
  3. Step 3: Cross multiply
    13,507,152.06x = 18,639,848.34 × 7,312,197
  4. Step 4: Simplify right side
    13,507,152.06x = 136,298,243,112,202.98
  5. Step 5: Solve for x
    x = 136,298,243,112,202.98/13,507,152.06
  6. Step 6: Final answer
    x = 10,090,820.22

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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.