Home / 28,911,700.67-43,362,897.53-8,436,613.01

Finding the Fourth Proportional to 28,911,700.67, 43,362,897.53 and 8,436,613.01

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Solution

The fourth proportional to 28,911,700.67, 43,362,897.53 and 8,436,613.01 is: 12,653,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,700.67 : 43,362,897.53 = 8,436,613.01 : x
  2. Step 2: Convert to fraction form
    28,911,700.67/43,362,897.53 = 8,436,613.01/x
  3. Step 3: Cross multiply
    28,911,700.67x = 43,362,897.53 × 8,436,613.01
  4. Step 4: Simplify right side
    28,911,700.67x = 365,835,985,193,897.31
  5. Step 5: Solve for x
    x = 365,835,985,193,897.31/28,911,700.67
  6. Step 6: Final answer
    x = 12,653,561.60

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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.