Finding the Fourth Proportional to 39,758,415.60, 59,637,623.40 and 39,506,473.20
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Solution
The fourth proportional to 39,758,415.60, 59,637,623.40 and 39,506,473.20 is: 59,259,709.80
Step by Step Solution
- Step 1: Write the proportion equation
39,758,415.60 : 59,637,623.40 = 39,506,473.20 : x - Step 2: Convert to fraction form
39,758,415.60/59,637,623.40 = 39,506,473.20/x - Step 3: Cross multiply
39,758,415.60x = 59,637,623.40 × 39,506,473.20 - Step 4: Simplify right side
39,758,415.60x = 2,356,072,170,563,793 - Step 5: Solve for x
x = 2,356,072,170,563,793/39,758,415.60 - Step 6: Final answer
x = 59,259,709.80
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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.