Home / 19,585,688.40-29,378,532.60-19,249,765.20

Finding the Fourth Proportional to 19,585,688.40, 29,378,532.60 and 19,249,765.20

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Solution

The fourth proportional to 19,585,688.40, 29,378,532.60 and 19,249,765.20 is: 28,874,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585,688.40 : 29,378,532.60 = 19,249,765.20 : x
  2. Step 2: Convert to fraction form
    19,585,688.40/29,378,532.60 = 19,249,765.20/x
  3. Step 3: Cross multiply
    19,585,688.40x = 29,378,532.60 × 19,249,765.20
  4. Step 4: Simplify right side
    19,585,688.40x = 565,529,854,470,545.50
  5. Step 5: Solve for x
    x = 565,529,854,470,545.50/19,585,688.40
  6. Step 6: Final answer
    x = 28,874,647.80

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1.5x scale

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.