Home / 10,365,042.30-15,547,563.45-9,169,300.05

Finding the Fourth Proportional to 10,365,042.30, 15,547,563.45 and 9,169,300.05

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Solution

The fourth proportional to 10,365,042.30, 15,547,563.45 and 9,169,300.05 is: 13,753,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,042.30 : 15,547,563.45 = 9,169,300.05 : x
  2. Step 2: Convert to fraction form
    10,365,042.30/15,547,563.45 = 9,169,300.05/x
  3. Step 3: Cross multiply
    10,365,042.30x = 15,547,563.45 × 9,169,300.05
  4. Step 4: Simplify right side
    10,365,042.30x = 142,560,274,319,463.19
  5. Step 5: Solve for x
    x = 142,560,274,319,463.19/10,365,042.30
  6. Step 6: Final answer
    x = 13,753,950.08

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1.5x scale

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.