Home / 28,817,547.90-39,768,529.80-15,764,526.48

Finding the Fourth Proportional to 28,817,547.90, 39,768,529.80 and 15,764,526.48

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Solution

The fourth proportional to 28,817,547.90, 39,768,529.80 and 15,764,526.48 is: 21,755,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,547.90 : 39,768,529.80 = 15,764,526.48 : x
  2. Step 2: Convert to fraction form
    28,817,547.90/39,768,529.80 = 15,764,526.48/x
  3. Step 3: Cross multiply
    28,817,547.90x = 39,768,529.80 × 15,764,526.48
  4. Step 4: Simplify right side
    28,817,547.90x = 626,932,041,102,769.12
  5. Step 5: Solve for x
    x = 626,932,041,102,769.12/28,817,547.90
  6. Step 6: Final answer
    x = 21,755,218.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.