Home / 42,762,865.24-64,144,297.05-19,726,985.26

Finding the Fourth Proportional to 42,762,865.24, 64,144,297.05 and 19,726,985.26

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Solution

The fourth proportional to 42,762,865.24, 64,144,297.05 and 19,726,985.26 is: 29,590,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,762,865.24 : 64,144,297.05 = 19,726,985.26 : x
  2. Step 2: Convert to fraction form
    42,762,865.24/64,144,297.05 = 19,726,985.26/x
  3. Step 3: Cross multiply
    42,762,865.24x = 64,144,297.05 × 19,726,985.26
  4. Step 4: Simplify right side
    42,762,865.24x = 1,265,373,602,418,411.50
  5. Step 5: Solve for x
    x = 1,265,373,602,418,411.50/42,762,865.24
  6. Step 6: Final answer
    x = 29,590,477.52

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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.