Home / 19,280,574.56-28,920,737-4,903,518.14

Finding the Fourth Proportional to 19,280,574.56, 28,920,737 and 4,903,518.14

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Solution

The fourth proportional to 19,280,574.56, 28,920,737 and 4,903,518.14 is: 7,355,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,574.56 : 28,920,737 = 4,903,518.14 : x
  2. Step 2: Convert to fraction form
    19,280,574.56/28,920,737 = 4,903,518.14/x
  3. Step 3: Cross multiply
    19,280,574.56x = 28,920,737 × 4,903,518.14
  4. Step 4: Simplify right side
    19,280,574.56x = 141,813,358,501,669.16
  5. Step 5: Solve for x
    x = 141,813,358,501,669.16/19,280,574.56
  6. Step 6: Final answer
    x = 7,355,245.46

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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.