Home / 7,132,985.60-10,699,478.40-4,740,051.20

Finding the Fourth Proportional to 7,132,985.60, 10,699,478.40 and 4,740,051.20

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Solution

The fourth proportional to 7,132,985.60, 10,699,478.40 and 4,740,051.20 is: 7,110,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,985.60 : 10,699,478.40 = 4,740,051.20 : x
  2. Step 2: Convert to fraction form
    7,132,985.60/10,699,478.40 = 4,740,051.20/x
  3. Step 3: Cross multiply
    7,132,985.60x = 10,699,478.40 × 4,740,051.20
  4. Step 4: Simplify right side
    7,132,985.60x = 50,716,075,429,294.09
  5. Step 5: Solve for x
    x = 50,716,075,429,294.09/7,132,985.60
  6. Step 6: Final answer
    x = 7,110,076.80

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1.5x scale

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.