Home / 42,678,819.23-64,018,394.93-10,330,669.87

Finding the Fourth Proportional to 42,678,819.23, 64,018,394.93 and 10,330,669.87

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Solution

The fourth proportional to 42,678,819.23, 64,018,394.93 and 10,330,669.87 is: 15,496,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,678,819.23 : 64,018,394.93 = 10,330,669.87 : x
  2. Step 2: Convert to fraction form
    42,678,819.23/64,018,394.93 = 10,330,669.87/x
  3. Step 3: Cross multiply
    42,678,819.23x = 64,018,394.93 × 10,330,669.87
  4. Step 4: Simplify right side
    42,678,819.23x = 661,352,903,494,892.38
  5. Step 5: Solve for x
    x = 661,352,903,494,892.38/42,678,819.23
  6. Step 6: Final answer
    x = 15,496,045.01

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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.