Home / 28,971,570.30-43,457,355.45-8,776,812.30

Finding the Fourth Proportional to 28,971,570.30, 43,457,355.45 and 8,776,812.30

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Solution

The fourth proportional to 28,971,570.30, 43,457,355.45 and 8,776,812.30 is: 13,165,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971,570.30 : 43,457,355.45 = 8,776,812.30 : x
  2. Step 2: Convert to fraction form
    28,971,570.30/43,457,355.45 = 8,776,812.30/x
  3. Step 3: Cross multiply
    28,971,570.30x = 43,457,355.45 × 8,776,812.30
  4. Step 4: Simplify right side
    28,971,570.30x = 381,417,051,839,032.06
  5. Step 5: Solve for x
    x = 381,417,051,839,032.06/28,971,570.30
  6. Step 6: Final answer
    x = 13,165,218.45

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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.