Finding the Fourth Proportional to 22,256,579.36, 30,781,698.08 and 19,963,903.52
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Solution
The fourth proportional to 22,256,579.36, 30,781,698.08 and 19,963,903.52 is: 27,610,839.95
Step by Step Solution
- Step 1: Write the proportion equation
22,256,579.36 : 30,781,698.08 = 19,963,903.52 : x - Step 2: Convert to fraction form
22,256,579.36/30,781,698.08 = 19,963,903.52/x - Step 3: Cross multiply
22,256,579.36x = 30,781,698.08 × 19,963,903.52 - Step 4: Simplify right side
22,256,579.36x = 614,522,850,650,889.25 - Step 5: Solve for x
x = 614,522,850,650,889.25/22,256,579.36 - Step 6: Final answer
x = 27,610,839.95
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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.