Home / 9,820,112.80-13,547,061.84-7,629,666.32

Finding the Fourth Proportional to 9,820,112.80, 13,547,061.84 and 7,629,666.32

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Solution

The fourth proportional to 9,820,112.80, 13,547,061.84 and 7,629,666.32 is: 10,525,292.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820,112.80 : 13,547,061.84 = 7,629,666.32 : x
  2. Step 2: Convert to fraction form
    9,820,112.80/13,547,061.84 = 7,629,666.32/x
  3. Step 3: Cross multiply
    9,820,112.80x = 13,547,061.84 × 7,629,666.32
  4. Step 4: Simplify right side
    9,820,112.80x = 103,359,561,455,605.23
  5. Step 5: Solve for x
    x = 103,359,561,455,605.23/9,820,112.80
  6. Step 6: Final answer
    x = 10,525,292.69

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1.5x scale

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.