Home / 28,553,114.03-39,403,776.53-15,500,372.93

Finding the Fourth Proportional to 28,553,114.03, 39,403,776.53 and 15,500,372.93

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Solution

The fourth proportional to 28,553,114.03, 39,403,776.53 and 15,500,372.93 is: 21,390,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553,114.03 : 39,403,776.53 = 15,500,372.93 : x
  2. Step 2: Convert to fraction form
    28,553,114.03/39,403,776.53 = 15,500,372.93/x
  3. Step 3: Cross multiply
    28,553,114.03x = 39,403,776.53 × 15,500,372.93
  4. Step 4: Simplify right side
    28,553,114.03x = 610,773,231,054,877.50
  5. Step 5: Solve for x
    x = 610,773,231,054,877.50/28,553,114.03
  6. Step 6: Final answer
    x = 21,390,774.77

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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.