Home / 19,254,806.40-28,875,211.20-9,666,998.40

Finding the Fourth Proportional to 19,254,806.40, 28,875,211.20 and 9,666,998.40

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Solution

The fourth proportional to 19,254,806.40, 28,875,211.20 and 9,666,998.40 is: 14,496,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254,806.40 : 28,875,211.20 = 9,666,998.40 : x
  2. Step 2: Convert to fraction form
    19,254,806.40/28,875,211.20 = 9,666,998.40/x
  3. Step 3: Cross multiply
    19,254,806.40x = 28,875,211.20 × 9,666,998.40
  4. Step 4: Simplify right side
    19,254,806.40x = 279,136,620,470,062.09
  5. Step 5: Solve for x
    x = 279,136,620,470,062.09/19,254,806.40
  6. Step 6: Final answer
    x = 14,496,984.01

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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.