Home / 38,638,803.40-57,958,205.10-11,708,960.20

Finding the Fourth Proportional to 38,638,803.40, 57,958,205.10 and 11,708,960.20

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Solution

The fourth proportional to 38,638,803.40, 57,958,205.10 and 11,708,960.20 is: 17,563,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,638,803.40 : 57,958,205.10 = 11,708,960.20 : x
  2. Step 2: Convert to fraction form
    38,638,803.40/57,958,205.10 = 11,708,960.20/x
  3. Step 3: Cross multiply
    38,638,803.40x = 57,958,205.10 × 11,708,960.20
  4. Step 4: Simplify right side
    38,638,803.40x = 678,630,316,779,337
  5. Step 5: Solve for x
    x = 678,630,316,779,337/38,638,803.40
  6. Step 6: Final answer
    x = 17,563,440.30

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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.