Home / 28,564,113.42-39,445,379.64-19,886,015.40

Finding the Fourth Proportional to 28,564,113.42, 39,445,379.64 and 19,886,015.40

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Solution

The fourth proportional to 28,564,113.42, 39,445,379.64 and 19,886,015.40 is: 27,461,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564,113.42 : 39,445,379.64 = 19,886,015.40 : x
  2. Step 2: Convert to fraction form
    28,564,113.42/39,445,379.64 = 19,886,015.40/x
  3. Step 3: Cross multiply
    28,564,113.42x = 39,445,379.64 × 19,886,015.40
  4. Step 4: Simplify right side
    28,564,113.42x = 784,411,426,979,886.38
  5. Step 5: Solve for x
    x = 784,411,426,979,886.38/28,564,113.42
  6. Step 6: Final answer
    x = 27,461,430.90

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1.5x scale

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.