Home / 10,365,032.60-15,547,548.90-9,945,128.60

Finding the Fourth Proportional to 10,365,032.60, 15,547,548.90 and 9,945,128.60

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Solution

The fourth proportional to 10,365,032.60, 15,547,548.90 and 9,945,128.60 is: 14,917,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,032.60 : 15,547,548.90 = 9,945,128.60 : x
  2. Step 2: Convert to fraction form
    10,365,032.60/15,547,548.90 = 9,945,128.60/x
  3. Step 3: Cross multiply
    10,365,032.60x = 15,547,548.90 × 9,945,128.60
  4. Step 4: Simplify right side
    10,365,032.60x = 154,622,373,225,288.53
  5. Step 5: Solve for x
    x = 154,622,373,225,288.53/10,365,032.60
  6. Step 6: Final answer
    x = 14,917,692.90

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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.