Home / 7,028,628.54-9,699,530.10-3,931,205

Finding the Fourth Proportional to 7,028,628.54, 9,699,530.10 and 3,931,205

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Solution

The fourth proportional to 7,028,628.54, 9,699,530.10 and 3,931,205 is: 5,425,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,628.54 : 9,699,530.10 = 3,931,205 : x
  2. Step 2: Convert to fraction form
    7,028,628.54/9,699,530.10 = 3,931,205/x
  3. Step 3: Cross multiply
    7,028,628.54x = 9,699,530.10 × 3,931,205
  4. Step 4: Simplify right side
    7,028,628.54x = 38,130,841,226,770.50
  5. Step 5: Solve for x
    x = 38,130,841,226,770.50/7,028,628.54
  6. Step 6: Final answer
    x = 5,425,075.60

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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.