Finding the Fourth Proportional to 22,038,202.17, 30,413,236.05 and 12,249,058.95
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Solution
The fourth proportional to 22,038,202.17, 30,413,236.05 and 12,249,058.95 is: 16,903,988.74
Step by Step Solution
- Step 1: Write the proportion equation
22,038,202.17 : 30,413,236.05 = 12,249,058.95 : x - Step 2: Convert to fraction form
22,038,202.17/30,413,236.05 = 12,249,058.95/x - Step 3: Cross multiply
22,038,202.17x = 30,413,236.05 × 12,249,058.95 - Step 4: Simplify right side
22,038,202.17x = 372,533,521,236,715.12 - Step 5: Solve for x
x = 372,533,521,236,715.12/22,038,202.17 - Step 6: Final answer
x = 16,903,988.74
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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.