Home / 13,205,444.40-19,808,166.60-12,071,703.60

Finding the Fourth Proportional to 13,205,444.40, 19,808,166.60 and 12,071,703.60

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Solution

The fourth proportional to 13,205,444.40, 19,808,166.60 and 12,071,703.60 is: 18,107,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,444.40 : 19,808,166.60 = 12,071,703.60 : x
  2. Step 2: Convert to fraction form
    13,205,444.40/19,808,166.60 = 12,071,703.60/x
  3. Step 3: Cross multiply
    13,205,444.40x = 19,808,166.60 × 12,071,703.60
  4. Step 4: Simplify right side
    13,205,444.40x = 239,118,316,054,619.78
  5. Step 5: Solve for x
    x = 239,118,316,054,619.78/13,205,444.40
  6. Step 6: Final answer
    x = 18,107,555.40

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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.