Home / 42,744,341.79-64,117,212.53-12,453,866.91

Finding the Fourth Proportional to 42,744,341.79, 64,117,212.53 and 12,453,866.91

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Solution

The fourth proportional to 42,744,341.79, 64,117,212.53 and 12,453,866.91 is: 18,681,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,744,341.79 : 64,117,212.53 = 12,453,866.91 : x
  2. Step 2: Convert to fraction form
    42,744,341.79/64,117,212.53 = 12,453,866.91/x
  3. Step 3: Cross multiply
    42,744,341.79x = 64,117,212.53 × 12,453,866.91
  4. Step 4: Simplify right side
    42,744,341.79x = 798,507,231,426,535
  5. Step 5: Solve for x
    x = 798,507,231,426,535/42,744,341.79
  6. Step 6: Final answer
    x = 18,681,004.27

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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.