Home / 10,089,128.40-15,133,692.60-7,006,770.60

Finding the Fourth Proportional to 10,089,128.40, 15,133,692.60 and 7,006,770.60

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Solution

The fourth proportional to 10,089,128.40, 15,133,692.60 and 7,006,770.60 is: 10,510,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089,128.40 : 15,133,692.60 = 7,006,770.60 : x
  2. Step 2: Convert to fraction form
    10,089,128.40/15,133,692.60 = 7,006,770.60/x
  3. Step 3: Cross multiply
    10,089,128.40x = 15,133,692.60 × 7,006,770.60
  4. Step 4: Simplify right side
    10,089,128.40x = 106,038,312,379,117.55
  5. Step 5: Solve for x
    x = 106,038,312,379,117.55/10,089,128.40
  6. Step 6: Final answer
    x = 10,510,155.90

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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.