Home / 7,570,437.20-11,355,655.80-6,985,852.10

Finding the Fourth Proportional to 7,570,437.20, 11,355,655.80 and 6,985,852.10

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Solution

The fourth proportional to 7,570,437.20, 11,355,655.80 and 6,985,852.10 is: 10,478,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570,437.20 : 11,355,655.80 = 6,985,852.10 : x
  2. Step 2: Convert to fraction form
    7,570,437.20/11,355,655.80 = 6,985,852.10/x
  3. Step 3: Cross multiply
    7,570,437.20x = 11,355,655.80 × 6,985,852.10
  4. Step 4: Simplify right side
    7,570,437.20x = 79,328,931,917,307.19
  5. Step 5: Solve for x
    x = 79,328,931,917,307.19/7,570,437.20
  6. Step 6: Final answer
    x = 10,478,778.15

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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.