Home / 18,717,967.80-28,050,707.70-14,886,343.80

Finding the Fourth Proportional to 18,717,967.80, 28,050,707.70 and 14,886,343.80

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Solution

The fourth proportional to 18,717,967.80, 28,050,707.70 and 14,886,343.80 is: 22,308,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,967.80 : 28,050,707.70 = 14,886,343.80 : x
  2. Step 2: Convert to fraction form
    18,717,967.80/28,050,707.70 = 14,886,343.80/x
  3. Step 3: Cross multiply
    18,717,967.80x = 28,050,707.70 × 14,886,343.80
  4. Step 4: Simplify right side
    18,717,967.80x = 417,572,478,655,507.25
  5. Step 5: Solve for x
    x = 417,572,478,655,507.25/18,717,967.80
  6. Step 6: Final answer
    x = 22,308,643.93

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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.