Home / 19,153,750.59-28,713,803.81-7,803,745.47

Finding the Fourth Proportional to 19,153,750.59, 28,713,803.81 and 7,803,745.47

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Solution

The fourth proportional to 19,153,750.59, 28,713,803.81 and 7,803,745.47 is: 11,698,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,750.59 : 28,713,803.81 = 7,803,745.47 : x
  2. Step 2: Convert to fraction form
    19,153,750.59/28,713,803.81 = 7,803,745.47/x
  3. Step 3: Cross multiply
    19,153,750.59x = 28,713,803.81 × 7,803,745.47
  4. Step 4: Simplify right side
    19,153,750.59x = 224,075,216,369,737.50
  5. Step 5: Solve for x
    x = 224,075,216,369,737.50/19,153,750.59
  6. Step 6: Final answer
    x = 11,698,764.44

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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.