Home / 19,282,055.72-28,922,642.46-4,905,140.48

Finding the Fourth Proportional to 19,282,055.72, 28,922,642.46 and 4,905,140.48

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Solution

The fourth proportional to 19,282,055.72, 28,922,642.46 and 4,905,140.48 is: 7,357,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282,055.72 : 28,922,642.46 = 4,905,140.48 : x
  2. Step 2: Convert to fraction form
    19,282,055.72/28,922,642.46 = 4,905,140.48/x
  3. Step 3: Cross multiply
    19,282,055.72x = 28,922,642.46 × 4,905,140.48
  4. Step 4: Simplify right side
    19,282,055.72x = 141,869,624,319,112.81
  5. Step 5: Solve for x
    x = 141,869,624,319,112.81/19,282,055.72
  6. Step 6: Final answer
    x = 7,357,598.50

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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.