Home / 10,403,779.40-15,605,669.10-9,144,067.40

Finding the Fourth Proportional to 10,403,779.40, 15,605,669.10 and 9,144,067.40

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Solution

The fourth proportional to 10,403,779.40, 15,605,669.10 and 9,144,067.40 is: 13,716,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,779.40 : 15,605,669.10 = 9,144,067.40 : x
  2. Step 2: Convert to fraction form
    10,403,779.40/15,605,669.10 = 9,144,067.40/x
  3. Step 3: Cross multiply
    10,403,779.40x = 15,605,669.10 × 9,144,067.40
  4. Step 4: Simplify right side
    10,403,779.40x = 142,699,290,072,497.34
  5. Step 5: Solve for x
    x = 142,699,290,072,497.34/10,403,779.40
  6. Step 6: Final answer
    x = 13,716,101.10

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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.