Finding the Fourth Proportional to 47,312,575.30, 70,963,614.15 and 13,237,365.70
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Solution
The fourth proportional to 47,312,575.30, 70,963,614.15 and 13,237,365.70 is: 19,854,580.01
Step by Step Solution
- Step 1: Write the proportion equation
47,312,575.30 : 70,963,614.15 = 13,237,365.70 : x - Step 2: Convert to fraction form
47,312,575.30/70,963,614.15 = 13,237,365.70/x - Step 3: Cross multiply
47,312,575.30x = 70,963,614.15 × 13,237,365.70 - Step 4: Simplify right side
47,312,575.30x = 939,371,311,897,244.62 - Step 5: Solve for x
x = 939,371,311,897,244.62/47,312,575.30 - Step 6: Final answer
x = 19,854,580.01
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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.