Home / 28,085,001.80-42,127,502.70-19,574,947.40

Finding the Fourth Proportional to 28,085,001.80, 42,127,502.70 and 19,574,947.40

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Solution

The fourth proportional to 28,085,001.80, 42,127,502.70 and 19,574,947.40 is: 29,362,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,001.80 : 42,127,502.70 = 19,574,947.40 : x
  2. Step 2: Convert to fraction form
    28,085,001.80/42,127,502.70 = 19,574,947.40/x
  3. Step 3: Cross multiply
    28,085,001.80x = 42,127,502.70 × 19,574,947.40
  4. Step 4: Simplify right side
    28,085,001.80x = 824,643,649,445,858
  5. Step 5: Solve for x
    x = 824,643,649,445,858/28,085,001.80
  6. Step 6: Final answer
    x = 29,362,421.10

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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.