Finding the Fourth Proportional to 34,330,660.38, 47,376,112.95 and 18,860,412.06
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Solution
The fourth proportional to 34,330,660.38, 47,376,112.95 and 18,860,412.06 is: 26,027,259.66
Step by Step Solution
- Step 1: Write the proportion equation
34,330,660.38 : 47,376,112.95 = 18,860,412.06 : x - Step 2: Convert to fraction form
34,330,660.38/47,376,112.95 = 18,860,412.06/x - Step 3: Cross multiply
34,330,660.38x = 47,376,112.95 × 18,860,412.06 - Step 4: Simplify right side
34,330,660.38x = 893,533,012,038,102.12 - Step 5: Solve for x
x = 893,533,012,038,102.12/34,330,660.38 - Step 6: Final answer
x = 26,027,259.66
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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.