Home / 28,066,762.53-38,732,767.79-16,472,688.21

Finding the Fourth Proportional to 28,066,762.53, 38,732,767.79 and 16,472,688.21

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Solution

The fourth proportional to 28,066,762.53, 38,732,767.79 and 16,472,688.21 is: 22,732,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,762.53 : 38,732,767.79 = 16,472,688.21 : x
  2. Step 2: Convert to fraction form
    28,066,762.53/38,732,767.79 = 16,472,688.21/x
  3. Step 3: Cross multiply
    28,066,762.53x = 38,732,767.79 × 16,472,688.21
  4. Step 4: Simplify right side
    28,066,762.53x = 638,032,807,232,637.25
  5. Step 5: Solve for x
    x = 638,032,807,232,637.25/28,066,762.53
  6. Step 6: Final answer
    x = 22,732,682.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.