Home / 19,161,362.07-28,740,648.42-7,487,547

Finding the Fourth Proportional to 19,161,362.07, 28,740,648.42 and 7,487,547

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Solution

The fourth proportional to 19,161,362.07, 28,740,648.42 and 7,487,547 is: 11,230,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161,362.07 : 28,740,648.42 = 7,487,547 : x
  2. Step 2: Convert to fraction form
    19,161,362.07/28,740,648.42 = 7,487,547/x
  3. Step 3: Cross multiply
    19,161,362.07x = 28,740,648.42 × 7,487,547
  4. Step 4: Simplify right side
    19,161,362.07x = 215,196,955,855,225.75
  5. Step 5: Solve for x
    x = 215,196,955,855,225.75/19,161,362.07
  6. Step 6: Final answer
    x = 11,230,775.51

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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.