Home / 19,280,582.69-28,920,749.09-4,903,526.36

Finding the Fourth Proportional to 19,280,582.69, 28,920,749.09 and 4,903,526.36

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Solution

The fourth proportional to 19,280,582.69, 28,920,749.09 and 4,903,526.36 is: 7,355,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280,582.69 : 28,920,749.09 = 4,903,526.36 : x
  2. Step 2: Convert to fraction form
    19,280,582.69/28,920,749.09 = 4,903,526.36/x
  3. Step 3: Cross multiply
    19,280,582.69x = 28,920,749.09 × 4,903,526.36
  4. Step 4: Simplify right side
    19,280,582.69x = 141,813,655,561,545.25
  5. Step 5: Solve for x
    x = 141,813,655,561,545.25/19,280,582.69
  6. Step 6: Final answer
    x = 7,355,257.77

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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.