Home / 28,402,956.60-42,604,434.90-19,333,030.20

Finding the Fourth Proportional to 28,402,956.60, 42,604,434.90 and 19,333,030.20

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Solution

The fourth proportional to 28,402,956.60, 42,604,434.90 and 19,333,030.20 is: 28,999,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,956.60 : 42,604,434.90 = 19,333,030.20 : x
  2. Step 2: Convert to fraction form
    28,402,956.60/42,604,434.90 = 19,333,030.20/x
  3. Step 3: Cross multiply
    28,402,956.60x = 42,604,434.90 × 19,333,030.20
  4. Step 4: Simplify right side
    28,402,956.60x = 823,672,826,575,633.88
  5. Step 5: Solve for x
    x = 823,672,826,575,633.88/28,402,956.60
  6. Step 6: Final answer
    x = 28,999,545.30

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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.