Home / 6,480,056.80-9,720,085.20-4,076,106.40

Finding the Fourth Proportional to 6,480,056.80, 9,720,085.20 and 4,076,106.40

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Solution

The fourth proportional to 6,480,056.80, 9,720,085.20 and 4,076,106.40 is: 6,114,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,056.80 : 9,720,085.20 = 4,076,106.40 : x
  2. Step 2: Convert to fraction form
    6,480,056.80/9,720,085.20 = 4,076,106.40/x
  3. Step 3: Cross multiply
    6,480,056.80x = 9,720,085.20 × 4,076,106.40
  4. Step 4: Simplify right side
    6,480,056.80x = 39,620,101,492,265.27
  5. Step 5: Solve for x
    x = 39,620,101,492,265.27/6,480,056.80
  6. Step 6: Final answer
    x = 6,114,159.60

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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.