Home / 30,051,083.48-45,061,698.96-9,578,139.08

Finding the Fourth Proportional to 30,051,083.48, 45,061,698.96 and 9,578,139.08

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Solution

The fourth proportional to 30,051,083.48, 45,061,698.96 and 9,578,139.08 is: 14,362,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051,083.48 : 45,061,698.96 = 9,578,139.08 : x
  2. Step 2: Convert to fraction form
    30,051,083.48/45,061,698.96 = 9,578,139.08/x
  3. Step 3: Cross multiply
    30,051,083.48x = 45,061,698.96 × 9,578,139.08
  4. Step 4: Simplify right side
    30,051,083.48x = 431,607,219,819,971.38
  5. Step 5: Solve for x
    x = 431,607,219,819,971.38/30,051,083.48
  6. Step 6: Final answer
    x = 14,362,451.19

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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.