Home / 17,778,875.60-26,668,313.40-12,039,312.80

Finding the Fourth Proportional to 17,778,875.60, 26,668,313.40 and 12,039,312.80

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Solution

The fourth proportional to 17,778,875.60, 26,668,313.40 and 12,039,312.80 is: 18,058,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,875.60 : 26,668,313.40 = 12,039,312.80 : x
  2. Step 2: Convert to fraction form
    17,778,875.60/26,668,313.40 = 12,039,312.80/x
  3. Step 3: Cross multiply
    17,778,875.60x = 26,668,313.40 × 12,039,312.80
  4. Step 4: Simplify right side
    17,778,875.60x = 321,068,166,871,031.50
  5. Step 5: Solve for x
    x = 321,068,166,871,031.50/17,778,875.60
  6. Step 6: Final answer
    x = 18,058,969.20

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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.