Home / 6,440,730.84-8,878,384.08-5,457,039.30

Finding the Fourth Proportional to 6,440,730.84, 8,878,384.08 and 5,457,039.30

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Solution

The fourth proportional to 6,440,730.84, 8,878,384.08 and 5,457,039.30 is: 7,522,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,730.84 : 8,878,384.08 = 5,457,039.30 : x
  2. Step 2: Convert to fraction form
    6,440,730.84/8,878,384.08 = 5,457,039.30/x
  3. Step 3: Cross multiply
    6,440,730.84x = 8,878,384.08 × 5,457,039.30
  4. Step 4: Simplify right side
    6,440,730.84x = 48,449,690,845,054.34
  5. Step 5: Solve for x
    x = 48,449,690,845,054.34/6,440,730.84
  6. Step 6: Final answer
    x = 7,522,390.25

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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.