Home / 7,381,509.60-11,075,374.80-4,018,130.40

Finding the Fourth Proportional to 7,381,509.60, 11,075,374.80 and 4,018,130.40

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Solution

The fourth proportional to 7,381,509.60, 11,075,374.80 and 4,018,130.40 is: 6,028,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,509.60 : 11,075,374.80 = 4,018,130.40 : x
  2. Step 2: Convert to fraction form
    7,381,509.60/11,075,374.80 = 4,018,130.40/x
  3. Step 3: Cross multiply
    7,381,509.60x = 11,075,374.80 × 4,018,130.40
  4. Step 4: Simplify right side
    7,381,509.60x = 44,502,300,175,273.92
  5. Step 5: Solve for x
    x = 44,502,300,175,273.92/7,381,509.60
  6. Step 6: Final answer
    x = 6,028,888.75

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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.