Finding the Fourth Proportional to 7,698,775.36, 10,623,588.82 and 4,600,681.94
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Solution
The fourth proportional to 7,698,775.36, 10,623,588.82 and 4,600,681.94 is: 6,348,510.11
Step by Step Solution
- Step 1: Write the proportion equation
7,698,775.36 : 10,623,588.82 = 4,600,681.94 : x - Step 2: Convert to fraction form
7,698,775.36/10,623,588.82 = 4,600,681.94/x - Step 3: Cross multiply
7,698,775.36x = 10,623,588.82 × 4,600,681.94 - Step 4: Simplify right side
7,698,775.36x = 48,875,753,237,217.18 - Step 5: Solve for x
x = 48,875,753,237,217.18/7,698,775.36 - Step 6: Final answer
x = 6,348,510.11
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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.