Home / 6,518,075.60-8,963,039.40-5,657,136.32

Finding the Fourth Proportional to 6,518,075.60, 8,963,039.40 and 5,657,136.32

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Solution

The fourth proportional to 6,518,075.60, 8,963,039.40 and 5,657,136.32 is: 7,779,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,075.60 : 8,963,039.40 = 5,657,136.32 : x
  2. Step 2: Convert to fraction form
    6,518,075.60/8,963,039.40 = 5,657,136.32/x
  3. Step 3: Cross multiply
    6,518,075.60x = 8,963,039.40 × 5,657,136.32
  4. Step 4: Simplify right side
    6,518,075.60x = 50,705,135,727,331.02
  5. Step 5: Solve for x
    x = 50,705,135,727,331.02/6,518,075.60
  6. Step 6: Final answer
    x = 7,779,157.35

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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.