Finding the Fourth Proportional to 26,521,354.97, 39,781,909.41 and 7,352,048.46
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Solution
The fourth proportional to 26,521,354.97, 39,781,909.41 and 7,352,048.46 is: 11,028,038.58
Step by Step Solution
- Step 1: Write the proportion equation
26,521,354.97 : 39,781,909.41 = 7,352,048.46 : x - Step 2: Convert to fraction form
26,521,354.97/39,781,909.41 = 7,352,048.46/x - Step 3: Cross multiply
26,521,354.97x = 39,781,909.41 × 7,352,048.46 - Step 4: Simplify right side
26,521,354.97x = 292,478,525,813,650 - Step 5: Solve for x
x = 292,478,525,813,650/26,521,354.97 - Step 6: Final answer
x = 11,028,038.58
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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.