Home / 18,869,448.93-28,298,700.18-7,352,347.29

Finding the Fourth Proportional to 18,869,448.93, 28,298,700.18 and 7,352,347.29

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Solution

The fourth proportional to 18,869,448.93, 28,298,700.18 and 7,352,347.29 is: 11,026,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869,448.93 : 28,298,700.18 = 7,352,347.29 : x
  2. Step 2: Convert to fraction form
    18,869,448.93/28,298,700.18 = 7,352,347.29/x
  3. Step 3: Cross multiply
    18,869,448.93x = 28,298,700.18 × 7,352,347.29
  4. Step 4: Simplify right side
    18,869,448.93x = 208,061,871,578,945.50
  5. Step 5: Solve for x
    x = 208,061,871,578,945.50/18,869,448.93
  6. Step 6: Final answer
    x = 11,026,388.34

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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.