Home / 8,762,038.40-13,143,057.60-4,780,726.40

Finding the Fourth Proportional to 8,762,038.40, 13,143,057.60 and 4,780,726.40

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Solution

The fourth proportional to 8,762,038.40, 13,143,057.60 and 4,780,726.40 is: 7,171,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762,038.40 : 13,143,057.60 = 4,780,726.40 : x
  2. Step 2: Convert to fraction form
    8,762,038.40/13,143,057.60 = 4,780,726.40/x
  3. Step 3: Cross multiply
    8,762,038.40x = 13,143,057.60 × 4,780,726.40
  4. Step 4: Simplify right side
    8,762,038.40x = 62,833,362,445,040.64
  5. Step 5: Solve for x
    x = 62,833,362,445,040.64/8,762,038.40
  6. Step 6: Final answer
    x = 7,171,089.60

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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.