Home / 21,528,631.80-32,292,947.70-10,779,089.40

Finding the Fourth Proportional to 21,528,631.80, 32,292,947.70 and 10,779,089.40

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Solution

The fourth proportional to 21,528,631.80, 32,292,947.70 and 10,779,089.40 is: 16,168,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528,631.80 : 32,292,947.70 = 10,779,089.40 : x
  2. Step 2: Convert to fraction form
    21,528,631.80/32,292,947.70 = 10,779,089.40/x
  3. Step 3: Cross multiply
    21,528,631.80x = 32,292,947.70 × 10,779,089.40
  4. Step 4: Simplify right side
    21,528,631.80x = 348,088,570,247,824.38
  5. Step 5: Solve for x
    x = 348,088,570,247,824.38/21,528,631.80
  6. Step 6: Final answer
    x = 16,168,634.10

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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.